Slang words: F
853 slang and Internet words starting with F, each with its slang meaning. Trending slang
- finger princessA woman who is too lazy to search for information online and asks others for the answers through an online...
- finifA five-dollar bill (note).
- finishThe ending of a match and its structure.
- finkTo betray a trust; to inform on.
- fink outTo avoid or shirk, either by failing to perform, or by performing in a grossly insufficient, negligent, or...
- FinnreyThe ship of characters Finn and Rey from Star Wars.
- finnyA five-pound (£5) note; the sum of five pounds.
- fintwitThat part of the Twitter microblogging community that tweets about finance and stock markets.
- FinXA community on the X microblogging service authoring messages about finance and stock markets.
- FiOSFiber Optic Subscribers.
- fipennyA flick-knife.
- fireA firearm.
- fire in the holeA generalized warning that something is about to happen.
- FireafyThe fictional ship of the characters Firey and Leafy from Battle for Dream Island.
- fireballExcellent, terrific.
- firebugA pyromaniac or arsonist.
- firecanA jet fighter.
- firecrackerSomeone or something that is exciting, energetic, or unpredictable.
- fireman's flapThe flap for defecation in a union suit.
- firepower killThe damage inflicted by a weapon on a vehicle that destroys its weapon systems, or substantially reduces its...
- Firestone layawayThe practice of issuing a check on insufficient funds.
- firewallTo use maximum engine power or acceleration.
- firmA criminal gang, especially based around football hooliganism.
- First Contact DayApril 5th, an annual occasion to celebrate Star Trek.
- first of neverA nonexistent day; a day that will never come.
- first-party cookieA small text file that a website creates and stores on a user's browser.
- firstieA First Worlder; someone from the First World.
- fishA torpedo (self-propelled explosive device).
- fish copAn officer of a fish and wildlife conservation commission.
- fish foodA person who dies by drowning.
- fish scaleAn early 5 cent coin of Canada; an early Canadian nickel.
- fish tankA section of a prison for newly arrived inmates.
- fish-and-chipperA chip shop.
- fish-skinA dollar bill.
- fishheadA member of a navy; a sailor; a fisherman.
- fishhookA jack (type of playing card).
- fishhook theoryThe theory, sometimes suggested by socialist activists, that centrists and the "far right" are politically...
- fishhooksA pair of jacks (the playing card).
- fishliningThe practice of attaching an object to a string so as to pass it illicitly from one prison cell to another.
- fishoA fisherman.
- fishscaleCocaine, usually of high quality, taken directly off the brick and uncut.
- fishsonaA fursona that is a fish.
- fishwifeThe wife of a homosexual man.
- fistA person's characteristic handwriting.
- fist and skullA fistfight.
- fist magnetSomeone who makes others want to hit them, typically through being annoying or otherwise unpleasant.
- fitAn outfit, a set of clothing.
- fit checkA request posted to social media for one's outfit to be checked out and assessed.
- fit upConspire to incriminate falsely a presumably innocent person.
- fit-upA stitch-up (act arranged to incriminate somebody).
- fitbaFootball.
- fitfluencerAn influencer who primarily creates content related to fitness.
- fitnessThe condition of being attractive, fanciable or beautiful.
- fittedA fitted cap.
- fittieA sexually attractive person.
- Five BoroughsSynonym of New York City.
- five-and-dimeThe 5th Battalion 10th Marines, a US artillery battalion.
- five-by-fiveSomeone whose body is roughly shaped like a square; a short and fat person.
- five-finger discountTheft or pilferage, typically of a small item; shoplifting.
- fiverA banknote with a value of five units of currency.
- fivesA pair of fives.
- fixA single dose of a narcotic drug, especially when injected.
- fix roomSynonym of supervised injection site.
- fix upTo settle up with; reimburse.
- fix-itA fanfic which undoes or changes an element of canon viewed as unfavourable, e.g. a death, break-up, or...
- fixerA drug dealer or user.
- fixingGoing; preparing; ready. Only used in fixing to.
- fiyaAwesome, outstanding, spectacular.
- fizgigA police informer, a stool pigeon, someone employed by police to entrap someone else or provoke them to...
- fizz outTo stop working; to let (someone) down; to abandon (someone).
- fizzerA disciplinary charge.
- fizzingVery fast or active.
- fizzle outTo lose excitement, to become less exciting; to end, fail or die out in a weak or disappointing way.
- fizzlerA physicist.
- flagAn indication that a certain outcome or event is going to happen, deduced not logically or causally, but as a...
- flag on the playA penalty flag.
- Flag TownFlagstaff, Arizona.
- flakeA corrupt arrest, e.g. to extort money for release or merely to fulfil a quota.
- flake downTo go to bed; to go to sleep.
- flake outTo crack up or break down; to have a mental episode; to behave eccentrically.
- flakerSomeone who fails to meet commitments, who shows interest but then fails to follow through.
- flakersAsleep.
- flakkaThe stimulant drug alpha-pyrrolidinopentiophenone or alpha-PVP.
- flamageFlame postings considered as a group.
- flamboastTo show off.
- flamboyant cuttlefishA swimmer who wears flamboyant clothing, often as a protest or as part of an LGBT-themed swimming competition.
- flameTo post a destructively critical or abusive message (to somebody).
- flame baitA deliberately provocative posting intended to start a flame war.
- flame warAn argument consisting entirely or largely of flames by various parties that serve only to escalate the...
- flameableCapable of, or suitable for, being flamed.
- flamebaitContent in an online forum, such as a newsgroup, with the intent of provoking anger, resulting in flames and...
- flamefestLarge-scale mutual flaming.
- flamemailAggressively insulting email.
- flamethrowerSomeone who is extremely good at throwing or shooting balls.
- flamingVitriolic criticism.
- flaming queenA homosexual, and often cross-dressing, man acting in an ostentatious and flaunting manner akin to a diva.
- flanA fan of the U.S. TV series Firefly.
- flanderizeTo make into a Flanderization (an increasingly exaggerated or cartoonish character or caricature).
- flannelTo waffle or prevaricate.
- flannel panelA section of a magazine listing the contributors and their roles.
- flannieA button-down collared shirt made of flannelette.
- flap offTo talk excessively, ignorantly and/or wrongly.
- flapperThe hand.
- flarghUsed to express fatigue and general lethargy.
- flashExpensive-looking and demanding attention; stylish; showy.
- Flash gameSynonym of browser game.
- flash the ashTo give somebody a cigarette.
- flash the cashTo spend money, especially in an ostentatious manner; to pay up.
- flashficFlash fiction.
- flatA cheater's die with the edges shaved to make certain rolls more likely.
- flat dogCrocodile.
- flat is justiceUsed to express a preference for flat-chested fictional characters, especially in a lolicon context.
- flat jointSynonym of flat store (“crooked gambling establishment”).
- flat passerA crooked die that is shaved down on certain sides to produce the desired rolls more frequently.
- flat storeA crooked gambling establishment, such as a casino running rigged or fixed (dishonest) games of chance.
- flat tireA bore; a person who is no fun.
- flatbackerA female prostitute who services a large number of customers.
- flatcatcherAn animal in poor condition that may be sold to an unwitting purchaser.
- flatcestSexual involvement between students residing in the same flat.
- flatfootA sailor.
- flatlineTo kill.
- flatten outTo win a fight, usually by punching someone until they are knocked over.
- flatterSomeone who lives in a rented flat.
- flattieA flat store.
- flattiesFlat shoes.
- flattyA flatfish.
- flavaFlavor.
- flavorStyle.
- flavor saverSynonym of soul patch.
- flawsomeFlawed yet awesome; capable of embracing one's imperfections.
- flayedCircumcised.
- flea bagA sleeping bag.
- fleabagA place of shabby lodging, particularly a filthy hotel or run-down apartment.
- Fleabag eraA period in a woman's life characterized by cynicism, despondency, and self-destructive behaviour.
- fleekyOn fleek.
- fleshieA minifig with a flesh-colored complexion rather than the traditional yellow.
- fleshpotA place offering entertainment of a sensual or luxurious nature.
- fleshspaceMeatspace, the physical world.
- fleshtuberA content creator who appears on video platforms such as YouTube or Twitch using their real, unaltered...
- flexAn act or instance of flaunting something; a boast or brag; something considered impressive.
- flex onTo bully (someone); to extort, threaten, intimidate, menace or harass (someone); to demonstrate strength or...
- flex upTo look good; to be dressed up so as to express one's wealth; to be blinged out; to look hard.
- flexisexualityThe state of having a flexible sexual orientation or pattern of sexual expression.
- flextingThe sending of flirtatious text messages.
- flicA French policeman.
- flickA chap or fellow; sometimes as a friendly term of address.
- flick offTo insult (someone) by showing them the back of one's fist with the middle finger extended.
- Flicker AlleyCecil Court in Westminster, England: an important focus of the early British cinema industry.
- flicker showA film exhibited by means of a film projector.
- FlickrerSomeone who uses the photo-sharing website Flickr.
- FlickriteSomeone who uses the photo-sharing website Flickr.
- flickyFlick knife, switchblade.
- flies' graveyardA sweet pastry filled with currants or raisins.
- flip outTo become very angry or upset.
- flip smartphoneA flip phone with more advanced features and greater computing capacity than those of the traditional feature...
- flip-flopA return trip.
- flipoutAn instance of a person becoming very angry or upset.
- flippeningThe event of a cryptocurrency becoming dominant over another cryptocurrency or traditional currency.
- flipperThe hand.
- flippy-flopA rapid or unpredictable shift in behavior.
- fliptasticAmazing, spectacular.
- flitA homosexual.
- flitterjigsAn item of clothing that is in tatters or ribbons.
- flittyOstentatiously effeminate.
- flizzInane, meaningless in demeanour.
- float someone's boatTo interest or appeal to someone; to make someone happy.
- floaterA corpse floating in a body of water.
- flobTo spit or to gob.
- flobbyFull of saliva.
- flog the clockTo set the clock forward in order to shorten one's time on watch.
- floodTo paste numerous lines of text to (a chat system) in order to disrupt the conversation.
- flooddiditA sarcastic assertion that something that has not been satisfactorily explained by science is therefore...
- flooderA person who floods message boards, chat rooms etc. with unwanted or repetitive comments.
- flooeyCrazy, chaotic, awry.
- floofA long-haired dog, cat, or similar furry pet animal.
- floorTo push (a pedal) down to the floor, especially to accelerate.
- floor temperature challengeThe act or someone losing their life, often being killed, in a situation involving firearms or other...
- flopA flophouse.
- flop accountA social media account used for posting things regarded as flops or failures.
- flop artistA person who stages a fall in order to claim compensation for injury.
- flop eraA period marked by failure, lack of success, or the inability to function.
- flop forTo fall for (someone); to fall in love with (someone).
- flop sweatPanic or anxiety about possible failure.
- flopdomThe realm of flops or failures.
- flophouseA cheap hotel or boarding house where many people sleep in large rooms.
- flopperA person who deliberately falls down on a slippery floor or in front of an automobile etc. so as to claim...
- flopperooA flop; an utter failure.
- floppyAn insurgent in the Rhodesian Bush War, called as such for the way they "flop" when shot.
- floptasticOf an attempt or endeavor, spectacularly unsuccessful.
- Florida honeymoonDirty weekend.
- flossTo show off, especially by exhibiting one's wealth or talent.
- flossieA sexually promiscuous person (usually a woman); a sex worker, prostitute.
- flossyExtravagantly showy; flashy.
- flounce postA melodramatic posting announcing one's departure from a group or forum.
- flowerCannabis.
- flowkenuinelySynonym of lowkenuinely; genuinely; literally.
- flowkirkuinelySynonym of lowkenuinely.
- flubA fold of fat.
- flub upTo flub; to botch or mess up.
- fluffFan fiction, or part of a fan fiction, which is sweet and feel-good in tone, usually involving romance.
- fluff aboutTo waste time.
- fluff offTo dismiss or reject; fob off; put off by evasion.
- fluffbuttA furry.
- flufferA fluffy animal.
- fluffshotA single-chapter, feel-good fan fiction story, usually involving wholesome romance; a one-shot that contains...
- flunkerSomeone who has flunked: failed in an examination, been kept back to repeat a grade, or flunked out of school.
- flute aroundTo waste time.
- flutedDrunk; intoxicated.
- flutterTo subject to a lie detector test.
- flyClandestine, surreptitious.
- fly bakerTo undergo menstruation.
- fly ballA geek; beatnik.
- fly carAn emergency medical service vehicle used to provide medical services but without the ability to transport...
- flyboyAn aircraft pilot, especially of a military combat aircraft.
- flynessThe quality of being sharp or smart in appearance.
- fmzFanzine.
- fnarRepresenting a crude laugh, especially in response to sexual innuendo.
- FNDMThe fans of the American online animated series RWBY.
- fo shizzleFor sure; of course; right on.
- fo shizzle my nizzleA more emphatic and familiar form of fo shizzle; “For sure, my friend”, used to stress the following sentence.
- FOBulousHaving the characteristics of an immigrant, but having mostly assimilated into the local culture.
- fodForehead, particularly a large one.
- fodderTracing paper.
- foenemFriends and family; kith and kin.
- fog upTo get (someone) drunk.
- fogyExtra pay granted to officers for length of service.
- FoLCA fan of the television series Lois & Clark: The New Adventures of Superman.
- fold outTo depart.
- fold upTo surrender, abandon or give up under pressure.
- foldingPaper money, as opposed to coins.
- folding stuffBanknotes, paper money.
- folfA hybrid between a fox and a wolf.
- folfskyA fursona or furry character that is a hybrid between a fox, wolf and a husky.
- folkloreThe collective of proofs or techniques which are widely known among mathematicians, but have never been...
- folksThe police.
- folksonomyA user-generated taxonomy.
- follow throughTo defecate unintentionally as a result of a cough or sneeze, etc.
- follow-upA posted message on a newsgroup, etc. in reply to a previous one.
- follow4followOn social media services, the practice of following a user's account in exchange for said person to follow...
- folxFolks; people.
- FOMOTo experience FOMO (“the fear of missing out”); to act on one's FOMO, often impulsively [(often) with into].
- fondantFacial makeup (cosmetics), when used excessively.
- fondleslabA large, portable touchscreen device, particularly a tablet computer.
- FondyFond Du Lac, Wisconsin.
- FontcestThe incestuous ship of brothers Sans and Papyrus from the video game Undertale.
- foo-foo juiceAftershave or cologne.
- foobAn artificial breast implanted after the original has been removed by a mastectomy.
- foobarA serious mistake.
- foodaholicA lover of food; a foodie.
- foodgasmA pleasurable sensation from eating food.
- foodistA member of an extremist online subculture and harassment network known for doxxing, swatting, and the...
- foodomicsThe use of omics as a tool in food science.
- foodstagramAn individual food-focused account on Instagram.
- foodstagrammingThe act of posting photos of food to Instagram.
- foodtripIndulgence for food, especially craved ones.
- foofAn exasperating person.
- foofyExcessively frilly or frou-frou, typically in a manner calculated to attract attention to an otherwise...
- fooliganA foolish or naive troublemaker.
- foolioA fool.
- foolscreenPan and scan.
- foot funkA fungal skin infection like athlete's foot, or the odor caused by it.
- foot rotAthlete's foot.
- footballThe leather briefcase containing classified nuclear war plans which is always near the US President.
- footerA football.
- footpawA fursuit shoe which is shaped like an animal's paw.
- footsieA selfie (self-taken photograph) of one's feet.
- footyA football fan.
- foozleA cliché final boss that only exists to act as the final problem before players can complete a game.
- fopsA fox.
- fopsySynonym of fops (“a fox”).
- for AfricaIn abundance.
- for helleryFor the hell of it; for no particular reason beyond enjoyment.
- for one's foamsTotally or in humiliating fashion, in the context of being wronged or defeated.
- for realsFor real.
- for realsiesTrue, genuine, real.
- for sheezyFor sure, for real, definitely.
- for the loseSomething undesirable; an exclamation suggesting an unwanted result or condition.
- for the lossExpresses dislike or contempt for something.
- for the plotEverything happens for a reason.
- for the winBeing the best; being great, awesome, amazing or spectacular; sure to succeed (used as a term of approval...
- forbidden pantsA type of high-waisted flared leggings with colorful tapestry patterns.
- forbidden snackAn inedible object that resembles food.
- fordaDown (comfortable [with]) for something.
- FordieA person involved with or supported by the Ford Foundation, an American private foundation with the mission...
- foreignA foreign whip, a car produced abroad.
- forensicateTo forensically examine the crime scene, or any item found at the crime scene.
- forest puppyDeer.
- forever aloneSomeone who wishes to be in a romantic relationship but has no hope of succeeding.
- Forever KnightieA fan of the Canadian television series Forever Knight.
- forget to take one's medication this morningTo be annoyed or irritable, or to behave in an ill-mannered way, particularly in the morning.
- fork found in kitchenIndicating that something is or was obvious or to be expected.
- fortune cookieThe vulva of canine species.
- fortyA bottle (of beer) containing forty fluid ounces.
- forty-fourA .44 Magnum handgun.
- forumAn Internet message board where users can post messages regarding one or more topics of discussion.
- forum slidingThe abusive technique of posting large numbers of trivial messages to a forum in order to push other topics...
- forum weaponA short video clip embedded in a reply to represent the replier's reaction.
- forumerOne who frequents an Internet forum.
- forumingParticipation in an Internet forum.
- forumiteOne who frequents an Internet forum.
Source and license
Slang meanings adapted from the Wiktionary entry of each word (English slang). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws chose the words, left out vulgar and offensive ones, and linked each to its full entry. Wiktionary data of 2026-09-02.
Cite this page: “Slang Words Starting with F - Page 2.” Word.ws, https://word.ws/slang/f-2. Based on Wiktionary, CC BY-SA 4.0.