eff up

Verb

fuck up (third-person singular simple present fucks up, present participle fucking up, simple past and past participle fucked up)

1. (intransitive, slang, vulgar) To make a mistake, to go wrong.
   • You really fucked up this time.

   Synonyms:

   screw up, mess up, blow it, bobble, boob, crap up, miscue, drop a bollock, drop the ball, err

2. (transitive, vulgar) To botch or make a mess of.
   • I fucked up question 3 of the exam.
3. (transitive, vulgar) To injure or damage badly.
   • I fucked up my knee while running the marathon.

   Synonyms:

   mar

4. (vulgar) To cause someone to become intoxicated or otherwise alter someone's mental state.
   • I really got fucked up on cocaine last night.2001 January 16, Joe Eszterhas, American Rhapsody, Vintage, →ISBN, page 5
5. (vulgar) To traumatise; to negatively affect the wellbeing of someone.
   • They fuck you up, your mum and dad.
     They may not mean to, but they do.
     They fill you with their faults they had
     And add some extra, just for you.1971, Philip Larkin, This Be the Verse
6. (slang, transitive, vulgar) Synonym of destroy (“to eat food quickly, hungrily or completely”)
   • I could fuck up a burger right now.

   Synonyms:

   destroy

See all 7 meanings of fuck up