poop out vs peter out

poop out and peter out both are verbs.

Word	Noun	Adjective	Verb	Adverb
poop out	No	No	Yes	No
peter out	No	No	Yes	No

As verbs, poop out and peter out are synonyms defined as:

poop out and peter out: use up all one's strength and energy and stop working

Other synonyms of poop out include conk out, run down, run out.

poop out (verb)	peter out (verb)
use up all one's strength and energy and stop working	use up all one's strength and energy and stop working
	end weakly