1 C1 idiomatic slang
To spoil or ruin something through error, incompetence, or carelessness.
"He completely crapped up the negotiations with his aggressive tone."
separable
crap up
C1 slang separable transitive
To ruin or spoil something through poor performance or careless action.
In plain English
To make a mess of something and ruin it.
What does "crap up" mean?
One main meaning — here's how to use it.
Usage tip
Considered vulgar/rude. Used in informal American and British English. Rarely seen in written form outside of dialogue. Often used to criticise someone who has made mistakes.
Words that pair with "crap up"
Natural word combinations native speakers use most often.
plan interview exam everything chances project
How to conjugate "crap up"
The five tense forms you'll use most often.
Base
crap up
I/you/we/they
3rd person
craps up
he/she/it
Past simple
craped up
yesterday
Past participle
craped up
have + pp
-ing form
craping up
continuous
Hear "crap up" in the wild
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Other ways to say "crap up"
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