beat blow break down collapse crack up debilitate die die away die out do in do up droop drop enervate exhaust fag fag out faint fatigue fizzle fizzle out flag flame out frazzle gasp get tired give out go out grow weary harass jade knock out knock up overfatigue overstrain overtire overweary pant peter out play out poop poop out prostrate puff puff and blow run down run out sink succumb tire tire out tire to death tucker use up weaken wear wear down wear on wear out weary wheeze wilt wind