Source : Webster's Revised Unabridged Dictionary (1913)

Pooped \Pooped\, p. p. & a. (Naut.)
   (a) Having a poop; furnished with a poop.
   (b) Struck on the poop.

Poop \Poop\, v. i. [imp. & p. p. {Pooped}; p. pr. & vb. n.
   {Pooping}.] [Cf. D. poepen. See {Pop}.]
   To make a noise; to pop; also, to break wind.