crap2
Pronunciation: /krap/
North American
verb
- make a losing throw at craps: he put all his chips on the table and rolled the dice—sooner or later he had to crap out
- give up an activity because of fear or fatigue: when entrepreneurs get to $1 billion they crap out and turn their companies over to others
- fail in an attempt: the Rams almost crapped out late in the game
- (of a machine) break down: his teleprompter crapped out

Origin:
early 20th century: from craps