'peter out' definitions:

Definition of 'peter out'

From: WordNet
verb
End weakly; "The music just petered out--there was no proper ending" [syn: taper off, peter out, fizzle out, fizzle]
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 'peter out'

From: Moby Thesaurus