peter out

Verb	1.	peter out - end weakly; "The music just petered out--there was no proper ending" Synonyms: fizzle, fizzle out, taper off
	2.	peter out - use up all one's strength and energy and stop working; "At the end of the march, I pooped out" Synonyms: poop out, conk out, run down, run out

discontinue, fizzle, fizzle out, taper off