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to fuck up

to fuck up

690 9.9
To make a serious mistake that ruins something
  • phrasal verb
  • /fʌk ʌp/
  • Offensive
: cagarla
  • I really fucked up that presentation by forgetting all my notes.
  • sorry I fucked up
  • I fucked up again
  • completely fucked up

Diddy, Who else did you fuck up in the game?

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Examples

  • If you don't fuck up, you can be here, raking it in, for life.

    Fiction book (1992)
  • I figure you came to court to make sure I didn't fuck this up.

    Fiction book (1997)
  • Believe me, I know what it's like to fuck things up with a woman and to get stuck with a kid on top of it.

  • When you fuck up in here, you go to the Box.

    Academic text (2003)
  • I fucked up really bad.

  • "I'm the one who fucked up, so I know I have to pay the price.

    Academic text (2003)
  • "The cop who took the complaint fucked it up, and now the others are covering for him.

    Fiction book (1996)
  • Lester gives Ginger a 'how did you fuck this up?' look.

    Fiction book (1995)
  • When you make those mistakes and you fuck up, you can't get discouraged.

  • Because I fucked up!

Synonyms

to screw up
vsto fuck up
  • Informal
850 6.3

To make a mistake that ruins what you are doing

is the same but normally more vulgar and forceful
to mess up
vsto fuck up
  • Informal
755 2.8

To make a mistake that causes a problem

is harsher and often implies greater, more vulgar damage
to spoil
vsto fuck up
209 2.8

To make something less good or enjoyable

is more blunt and suggests deliberate or extreme spoiling
to mix up
vsto fuck up
  • Informal
83 2.7

To make people confused and things messy

focuses on ruin rather than simple confusion or mixups
to fuck it up
vsto fuck up
  • Offensive
60 9.9

To do something badly and ruin how it turns out

is the same idea but expressed with stronger vulgar tone
to botch
vsto fuck up
38 6.0

To do something badly and spoil the result

is similar but usually more blunt and profane
to mishandle
vsto fuck up
35 4.9

Deal with something badly so it causes problems or damage

is more vulgar and suggests a worse, often final failure
to trip up
vsto fuck up
22 4.9

Make a mistake or cause someone else to make one

implies direct major ruin rather than a single small error
to bungle
vsto fuck up
19 6.8

To do something clumsily so it causes mistakes

is coarser and implies more severe spoiling or damage
to foul up
vsto fuck up
  • Informal
18 6.4

To make a mistake that ruins something because you are careless

is the same idea but stronger and more vulgar
to fumble
vsto fuck up
15 3.5

To do something clumsily and make a mistake

is more severe and usually implies total spoiling or ruin
to goof
vsto fuck up
  • Informal
15 5.6

To make a silly or careless mistake

is harsher and implies severe or lasting damage
to muck up
vsto fuck up
  • Informal
14 7.6

To ruin something by making mistakes or doing it badly

is rougher in tone and implies worse damage
to fuck shit up
vsto fuck up
  • Offensive
11 9.9

To cause a lot of damage and chaos to a place or thing

means ruin or spoil badly but not necessarily violent chaos
to screw the pooch
vsto fuck up
  • Offensive
10 9.9

Make a very bad mistake because you are not careful

covers the same severity but with cruder expression
to flub
vsto fuck up
  • Informal
6 6.8

To make an embarrassing mistake because you are careless or nervous

is stronger and implies more total damage or ruin
to louse up
vsto fuck up
  • Informal
6 8.1

To make a mess of a plan or task by doing it badly

is stronger and often used in very informal speech
to botch up
vsto fuck up
  • Informal
4 6.7

Do a job badly and make a mess of it

is like this but tends to sound stronger and cruder
to muff
vsto fuck up
4 8.2

To fail to catch or handle something because you are clumsy

is broader and more vulgar when describing serious ruin
to ball up
vsto fuck up
  • Informal
2 7.9

To do something badly and ruin how it turns out

is harsher and more vulgar in expression
to fluff
vsto fuck up
  • Informal
2 5.4

To make a mistake especially by forgetting words on stage

is rougher and implies a larger, more damaging error
to bollix
vsto fuck up
  • Slang
1 9.9

To ruin something by doing it badly

is cruder and often implies more total destruction
to crap up
vsto fuck up
  • Offensive
1 9.9

To ruin something by making a mistake or being careless

is the same idea but with stronger vulgar emphasis
to bollocks up
vsto fuck up
  • Offensive
1 9.9

To do something so badly that it fails

is similar but usually conveyed with stronger coarse language
to bollocks
vsto fuck up
  • Offensive
1 9.9

To spoil or ruin something by making a careless mistake

is more offensive and blunt in everyday speech
to booger up
vsto fuck up
  • Informal
1 9.9

To ruin something by a careless mistake

is more forceful and crude when describing the same damage
to bodge
vsto fuck up
  • UK
1 9.9

Do a job badly so it does not work

is coarser and suggests a worse level of failure
to frig up
vsto fuck up
  • Slang
1 9.8

To do something badly and make it fail

is usually harsher and more vulgar in everyday talk
to misfuck
vsto fuck up
  • Offensive
9.9

To ruin something completely by making serious mistakes

is similar but more common and broadly used

Antonyms

∞ 1.0

To make something better

fix
183 1.0

An action that makes something work again

How Bad

to ruin
∞ 2.0
to fuck up
  • Offensive
690 9.9
to mess up
  • Informal
755 2.8
to flub
  • Informal
6 6.8
to slip up
  • Informal
44 4.1

Surface Forms

fuck up infinitive
fucking up present participle
fucks up third person singular
fucked up past
fucked up past participle

Morphology

fuck + up

The particle 'up' contributes a sense of completion/intensification and the verb 'fuck' has colloquial extensions meaning to damage or treat something badly, so there is a clear relation between the constituents and the MWE meaning. However, the sense is metaphorical, vulgar, and not a straightforward compositional meaning a B1 learner would reliably derive without prior exposure, so it sits between compositional and idiomatic.

Etymology

Fuck up probably comes from using fuck to mean 'to mess up or damage' and adding up to show the action is complete. So the picture is of someone doing something so badly they totally ruin it, which is why the phrase means 'to make a serious mistake or ruin something'.