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verb (used with object) Slang.
  1. to cause to become out of breath or fatigued; exhaust: Climbing that mountain pooped the whole group.
Verb Phrases
  1. poop out,
    1. to cease from or fail in something, as from fear or exhaustion: When the time for action came, they all pooped out and went home instead.
    2. to break down; stop functioning: The heater has pooped out again.

Origin of poop2

First recorded in 1885–90; perhaps to be identified with poop4
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for poop out


  1. a raised structure at the stern of a vessel, esp a sailing ship
  2. See poop deck
  1. (tr) (of a wave or sea) to break over the stern of (a vessel)
  2. (intr) (of a vessel) to ship a wave or sea over the stern, esp repeatedly

Word Origin

C15: from Old French pupe, from Latin puppis poop, ship's stern


verb US and Canadian slang
  1. (tr; usually passive) to cause to become exhausted; tirehe was pooped after the race
  2. (intr usually foll by out) to give up or fail, esp through tirednesshe pooped out of the race

Word Origin

C14 poupen to blow, make a sudden sound, perhaps of imitative origin


  1. US and Canadian slang
    1. information; the facts
    2. (as modifier)a poop sheet

Word Origin

of unknown origin


verb (intr)
  1. to defecate
  1. faeces; excrement

Word Origin

perhaps related to poop ²
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for poop out



"stern deck of a ship," c.1400, from Middle French poupe "stern of a ship" (14c.), from Old Provençal or Italian poppa, from Latin puppis "poop, stern," of uncertain origin. Poop deck attested by 1779.



"excrement," 1744, a children's euphemism, probably of imitative origin. The verb in this sense is from 1903. Cf. the same word in the sense "to break wind softly," attested from 1721, earlier "to make a short blast on a horn" (late 14c.). Meaning "stupid or dull person" is from 1915. Pooper-scooper attested from 1970.



"up-to-date information," 1941, in poop sheet, U.S. Army slang, of unknown origin, perhaps from poop (n.2).



"become tired," 1931, of unknown origin (see pooped). Related: Pooping.

Online Etymology Dictionary, © 2010 Douglas Harper

Idioms and Phrases with poop out

poop out


Tire out, exhaust, as in I ran about ten miles, but then I was too pooped out to go on.


Quit, decide not to participate, especially at the last minute. For example, We had about twenty signed up for the seminar, but then half of them pooped out. [Slang; late 1800s]

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.

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