The Collaborative International Dictionary
crap out \crap out\ (kr[a^]p` out"), v. i. (Games) to throw a 2, 3, or 12 on the first throw in the game of craps, thereby losing that turn.
Wiktionary
vb. (context idiomatic English) To lose a game or (as a machine) to break down.
Usage examples of "crap out".
They werent going to land, they were going to blast the crap out of what was looking to be a very pretty sitting target.
It felt good to confess to someone that Ivy had scared the crap out of me, and even better when he agreed that in time she might forget her own fear and try to find a blood balance with me.
I could pity Denton, and the others with him, but now, more than ever, they scared the crap out of me.
Whose turn was it to scrub the green crap out from between the tiles in the bathroom?
I don't think I'll ever forgive him for reading me that crap out loud.
I didn't know whether to pull good old Rusty out and beat the crap out of him, or to turn and take off before they noticed me.
Benacerraf hadn't managed to take a dump that day as she walked - which was the preferred way, because then at the end of the day they just had to dig the crap out of their diapers, and some semblance of privacy was maintained.