Answer: poops

AnswerCrossword Clue
POOPS

.... out (gets exhausted)

POOPS.. out (gets exhausted)
POOPS

... out (gets tired)

POOPS

Exhausts, in slang

POOPS
Tires (out)
POOPS
Tires, with "out"
POOPSBecomes exhausted, with "out"
POOPS... out: fatigues
POOPSTuckers out
POOPSDecks on sailing ships.
POOPSDecks.
POOPSStern decks on sailing ships.
POOPSCertain decks.
POOPSDecks of old-time ships.
POOPSShip decks
POOPSTires out
POOPSTires (with "out")
POOPSAft decks