crap out

verb7

1. •
   To fail; to stop working.

   • Darn, my car crapped out.
2. •
   (slang) To blunder; to fail massively.

   • The team crapped out in the second half.
3. •
   (slang) To abandon an endeavour or project; to back down.

   • He crapped out as soon as he was challenged.
4. •
   (slang) To die; to collapse; to fall asleep.

   • The old man crapped out.
5. •
   To lose a game of craps by rolling a seven.
6. •
   (US, slang) To idle or mess around.

   • So, recruits fought sleep and slept in the hot classrooms while DIs caught up on their sleep by crapping out on their duty rack in full uniform. — 2002
7. •
   (vulgar, offensive) To give birth.