'poop out' definitions:

Definition of 'poop out'

(from WordNet)
verb
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]

Synonyms of 'poop out'

From: Moby Thesaurus

Words containing 'poop out'