crap up meaning (slang): definition, quotations

crap up

verb

Idiomatic, Mildly, Slang, Vulgar To ruin, botch, bungle; to make a mess of.

This whole thing's his big, bright idea because they don't like having me around crapping up their big, romantic weekends.1998, Charlotte Vale Allen, Meet Me in Time, page 177:

Idiomatic, Mildly, Slang, Vulgar To go wrong; to foul up; to make a mistake.

I really crapped up on my fucking school work, so I had to do that frustrating piece of shit all over again.

Idiomatic, Slang To lie, mislead or give someone bullshit; to tell someone what they want to hear.