conk out

verbs

stop operating or functioning
"The engine finally went"; "The car died on the road"; "The bus we travelled in broke down on the way to town"; "The coffee maker broke"; "The engine failed on the way to town"; "her eyesight went after the accident"
break, break down, conk out, die, fail, give out, give way, go, go bad
use up all one's strength and energy and stop working
"At the end of the march, I pooped out"
conk out, peter out, poop out, run down, run out