crap out

Short definition from Wiktionary

Verb

1. 1
   To lose a game of craps by rolling a seven.
2. 2
   To abandon an endeavour or project; to back down.
3. 3
   To fail; to stop working.
4. 4
   To blunder; to fail massively.
5. 5
   To die; to collapse; to fall asleep.
6. 6
   To idle or mess around.
7. 7
   To give birth.