poop out (v.)
- beat
- blow
- break
- collapse
- crumble
- debilitate
- decline
- disintegrate
- droop
- drop
- enervate
- exhaust
- explode
- fade
- fag
- fail
- faint
- fatigue
- fizzle
- flag
- frazzle
- gasp
- harass
- jade
- languish
- misfire
- overfatigue
- overstrain
- overtire
- overweary
- pant
- pine
- prostrate
- puff
- sink
- succumb
- tire
- tucker
- weaken
- wear
- weary
- wheeze
- wilt
- wind
- yield