Slang words: U
202 slang and Internet words starting with U, each with its slang meaning. Trending slang
- U of DubThe University of Wisconsin–Madison.
- U$United States dollar.
- U-boatNickname given to the General Electric Universal Series diesel-electric locomotives.
- U-Haul syndromeIn lesbian culture, the tendency of relationships to progress very quickly, for example when partners move in...
- U.S. GrantSynonym of Ulysses S. Grant.
- uber-Super; really; mega-.
- uber-goodExceptionally or exceedingly good; beyond good.
- uberchefA very successful chef.
- uberficA genre of alternate universe fan fiction which features archetypes of canon characters (including ancestors...
- ubermodelA particularly successful supermodel.
- uberveillanceAn omnipresent form of round-the-clock surveillance of people via widespread electronic devices, and...
- uce(chiefly among Samoan-Americans) Brother (a male comrade or friend). Similar in use to bro.
- uckersSomeone who is ugly, dirty, or unpleasant; usually a woman.
- udderA woman's breast.
- ugUnderground; specifically referring to the UGSC (Underground Subliminal Community) or content that is...
- UgawoodThe film industry of Uganda.
- uggerAn ugly person.
- uggoUgly.
- uglyUgliness.
- ugly cryTo weep to the extent that one's face contorts.
- ugly hotHaving facial features that are not traditionally attractive but are unique in a way that makes them...
- ugly stickA notional stick with which unattractive people are said to have been hit, causing them to become ugly.
- ugmoAn ugly person.
- ugscA decentralized online subculture focused on the creation and consumption of "underground" subliminal audio...
- ukeA passive or submissive male fictional character in a same-sex relationship; a bottom.
- UkraineballUkraine as a countryball.
- ultAn ultimate; the most powerful ability available to a character.
- UltimateverseThe fictional universe of Ultimate Marvel.
- ultrabulletChess played at an extremely fast time control, with each side getting 15 seconds total to make all their...
- ultrafemmeA very feminine person.
- Ulysses GrantSynonym of Ulysses S. Grant.
- Ulysses S. GrantA United States fifty-dollar bill.
- UmaAny of the horse girl characters from Umamusume.
- umbworldThe surrounding world; the world or sphere about one; the environment.
- umptillionAn extremely large, unspecified number.
- un-deadstockTo override the deadstock quality of.
- un-with-itNot with it; unaware of current trends or fashions; behind the times.
- unable to canRendered utterly speechless or overwhelmed with a situation.
- unaliverKiller, murderer.
- unassTo get out of (a vehicle or building).
- unbasedNot based; cringeworthy, contemptible.
- unbirthTo consume something or someone in such a manner.
- unbrickTo repair a device that was bricked (rendered inoperative).
- unbrickableUnable to be bricked (rendered inoperative through incorrect configuration).
- uncOld; no longer versed in or relevant to current youth culture.
- Uncle NedHead.
- Uncle WhiskersFederal government.
- uncoUncoordinated.
- unconnedNot defrauded or tricked.
- uncookTo repair (an MP3 audio file) that has been damaged ("cooked") by being converted through a text format and...
- uncoolThe quality of being uncool.
- uncoolnessThe state or condition of being uncool (unfashionable).
- uncoplikeUnlike a police officer.
- unctionA gathering of uncs.
- uncuckedNot cucked.
- under glassIn jail.
- under hackUnder arrest.
- under the jailImplying a person should be killed, or subject to a punishment more severe than an ordinary prison sentence...
- under the sheetsIn a state of rest or sleep.
- underbumThe lower part of the buttocks, as revealed by certain clothing such as skimpy shorts.
- underconsumption coreAn aesthetic that emphasizes minimalism, frugality, buying less, and recycling or reusing fashion or other...
- underdigTo fully understand or comprehend.
- undergearTo equip a character with equipment that is significantly worse than expected for their level, role or the...
- undergearedEquipped with equipment significantly worse than expected for their level, role or the content being played...
- underguesstimateTo underestimate.
- unexpected red theoryA trend in interior design based on the idea that any room will appear more attractive if one adds a red item...
- unfInarticulate grunt of desire issued upon sighting someone sexually attractive, or made in response to a spasm...
- unfannishnessThe quality of being unfannish; behaviour inconsistent with being a fan.
- unfaveSynonym of unfavorite.
- unfavoriteTo remove from one’s list of favorites.
- unfollowerOne who unfollows another user.
- unforchiesSynonym of unfortunately.
- unforkTo dismount from (a ridden animal).
- unfraggedNot specified as a military target.
- unga bungaA playstyle that relies on brute strength or extreme aggro in combat.
- unghostTo resume contact or communication with someone after previously ghosting them.
- ungluedInsane, upset.
- ungonePeople temporarily remaining in Antarctica because their scheduled departure was cancelled.
- ungoonableNot goonable.
- unhaulTo get rid of (unwanted books).
- unhoodedCircumcised.
- unhornyNot horny; not sexually aroused or arousing.
- uniballerA man with only one testicle; a monorchid.
- unicornTo participate in a sexual threesome as a bisexual addition to an established heterosexual couple.
- unicorn baitA virgin.
- unicorn barfSynonym of unicorn vomit.
- unicorn pukeSynonym of unicorn vomit.
- unicorn vomitSomething extremely colorful, sweet, or cloying.
- uniform resource identifierA string of characters that identifies a resource that can be accessed over the Internet.
- Uniform Resource LocatorA universal address for resources on the internet, which is most commonly used for websites.
- unihornThe horn of a unicorn.
- Union OilA lowball hand with a seven and a six as the two highest cards.
- unitA physically large person.
- United States of CanadaCollectively, the numerous US states who typically vote for Democrat candidates in US elections, and all...
- unjazzedDepressed; melancholy.
- unjerkTo cease participating in a circle jerk.
- unknomeThe totality of genes of unknown function in a genome.
- unkookyNot kooky.
- unlaidNot having had sexual intercourse.
- unleadedDecaffeinated.
- unlikeThe act of withdrawing one's like from a post on social media.
- unloadTo ejaculate, particularly within an orifice.
- unmannedOf a setting, situation or event, devoid of males.
- unmonetizeTo disable monetization for published content.
- unoomfTo unfollow.
- unpantsSynonym of depants.
- unpaywalledNot restricted by a paywall.
- unplonkTo cease ignoring (a blocked user on a newsgroup, etc.).
- unpluggedPresented in a more low-key and intimate context than usual.
- unpogNot pog.
- unqualified hostnameThe portion of a computer's Internet domain name that comes before the first period, and so is sufficient to...
- unreactTo remove a reaction (icon or emoji that appears beneath a message as a response to that message), that one...
- unscoffedUneaten.
- unsearchableNot capable of being searched; on which one cannot perform a search.
- unsendTo undo, cancel, or reverse the transmission of a message.
- unshadowbanTo remove a shadowban against.
- unshaggedWith whom nobody has had sexual intercourse.
- unsozzledNot drunk; sober.
- unspammedWithout spam.
- unspoilerTo bypass the spoiler warning on (a message) so as to view the contents.
- unspoken rizzThe ability to apply rizz without speaking a single word; skillfulness at attracting or seducing a potential...
- unspoolTo play; to be screened.
- unstanTo stop acting as a stan (for); to cease to be an obsessive fan (of).
- unstickyTo remove (a previously stickied thread) from the top of the list of topics or threads.
- unstreamableNot streamable; impossible to stream.
- untrollableNot capable of, or suited to, being trolled.
- untrolledNot trolled.
- untweetableNot capable or worthy of being communicated via the Twitter microblogging service.
- untweetedNot having been tweeted.
- unutterablesTrousers.
- unvaxxedUnvaccinated.
- unvoicedOf an IRC user: not granted voice privileges.
- upWell-known; renowned.
- up and at 'emVigorously launched or launching into an activity.
- up and down straight drawAn open ended straight draw.
- up for the downstrokeReady to get funky; ready to dance with abandon.
- up northIn jail, in prison.
- up oneselfSmug; arrogant; self-important and self-satisfied.
- up sticksTo put up the mast of a ship in preparation for sailing.
- up the duffPregnant.
- up the kytePregnant.
- up the Oxo TowerOf sexual intercourse: anally.
- up the poleCrazy; at one's wits' end.
- up the spoutBroken; not functional or workable; kaput.
- up the stickPregnant.
- up to elevenTo increase (something) to an extremely high or strong degree; to make (something) go over the top.
- up to one's neck in alligatorsExtremely busy; having many pressing obligations, distractions, etc., consuming one's time.
- up to snuffAdequate; of acceptable quality; satisfying an appropriate standard.
- up to the knockerUp to the required standard; excellent.
- up-and-down straight drawA poker hand that has four cards to a straight, where there are two different ranked cards that will complete...
- upchatEarlier or higher up in a chat room conversation or message thread.
- updootAn upvote.
- updooterinoAn upvote.
- upper deckTo perform the upper decker prank in the cistern of (a toilet).
- upper deckerThe prank of defecating in the cistern of a toilet, so that flushing the toilet brings in dirty water instead...
- upper deckySynonym of lip pillow.
- upper storeyA person's brain.
- upperworksHead; brains.
- uprightA leg.
- upset the potTo beat the favourite in a race.
- upsetti spaghettiUpset; furious.
- upsiesSynonym of party pills.
- upsolveTo solve a problem after the end of a contest.
- upstairsA woman's breasts.
- upthreadPreviously, or hierarchically higher, in a thread of discussion.
- upvoteA vote for something that increases a cumulative tally of popularity.
- upvoterOne who upvotes.
- ur-coolExtremely cool.
- urban lumberjackA lumbersexual.
- urban NaxalA person, especially an intellectual, academic, journalist, or other urban resident, who supports the...
- UrduwoodBollywood.
- urge to mergeA strong desire to form intense emotional connections, stereotypically associated with lesbians.
- urination stationA place to urinate: a urinal or toilet.
- URLThe username associated with a Tumblr blog and typically included in its URL.
- URL injectionA type of code injection attack that involves adding malicious characters to data values in the argument...
- urlfestAn online music festival.
- urpTo vomit.
- ursYours.
- urselfYourself.
- urselvesYourselves.
- USB condomSynonym of USB data blocker.
- use one's loafTo think.
- Usenet Death PenaltyA final penalty that may be issued against internet service providers or single users who produce too much...
- UseneteseThe type of language used on Usenet.
- UsenetiquetteNetiquette appropiate to Usenet users.
- UsenetismA term that is peculiar to Usenet.
- UsenetspeakThe special slang used within the Usenet community.
- UsenettyRelating to or characteristic of Usenet.
- UsenetverseThe world or sphere of users of Usenet.
- user accountA collection of information and settings associated with a specific user within a computer system or online...
- User Datagram ProtocolA communications protocol that has no error recovery features, and is mostly used to stream material over the...
- user pageThe main page associated with a particular editor, often including autobiographical and personal content...
- userbarA long, rectangular, usually glossy web graphic that is used to showcase something that someone is a fan of....
- userboxA graphic modelled after this, shared on various social media websites.
- userlistA list of users, typically for the purpose of authorization on IRC.
- userspaceA namespace on a wiki used by individual users for personal details and discussions.
- usieA selfie of a group of people.
- ussieA photographic group portrait, especially one taken manually (not using a timer, tripod etc.) with a small...
- UTAUloidAn artificial singer (a voicebank, usually with an avatar) made for the UTAU program.
- uwuInnocently, often cloyingly cute.
- uwu speechA form of ironic childish text on the Internet intended to convey cuteness or innocence, produced by...
- uwuificationThe process of altering text into childish, innocent or exaggeratedly soft speech, involving adding elements...
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 U.” Word.ws, https://word.ws/slang/u. Based on Wiktionary, CC BY-SA 4.0.