1. use up all one's strength and energy and stop working; - Example: "At the end of the march, I pooped out" [syn: poop out, peter out, run down, run out, conk out]
WordNet (r) 3.0 (2006):
poop out
v 1: use up all one's strength and energy and stop working; "At
the end of the march, I pooped out" [syn: poop out,
peter out, run down, run out, conk out]