Word Study
crap out
CIDE DICTIONARY
crap out, v. i.
to throw a 2, 3, or 12 on the first throw in the game of craps, thereby losing that turn. [PJC]
THESAURUS
crap out
black out, bomb, draw a blank, drop a bomb, drop the ball, fan, flop, flummox, fold, fold up, get left, lay an egg, lose out, not hack it, not make it, pass out, strike out, swoon, take the count, whiffFor further exploring for "crap out" in Webster Dictionary Online