crap

Concise Oxford English Dictionary © 2008 Oxford University Press:
crap1 vulgar slang

▶noun

• 1 nonsense; rubbish.

• 2 excrement.

  ■ an act of defecation.

▶verb (craps, crapping, crapped) defecate. ▶adjective Brit. extremely poor in quality.

– derivatives
crappy adjective (crappier, crappiest).

– origin ME, in sense ‘chaff’: rel. to Du. krappe, from krappen ‘pluck or cut off’, and perh. also to OFr. crappe ‘siftings’, Anglo-Latin crappa ‘chaff’.

Concise Oxford English Dictionary © 2008 Oxford University Press:
crap2 N. Amer.

▶noun a losing throw in craps. ▶verb (crap out) informal make a losing throw at craps.

■ give up; fail.