Definition of "pooch" []

• Slang A dog. (noun)
• To bulge; protrude. Used with out: "a little roll of flab that pooches out above the tight waists of their spandex trunks” ( Megan Rosenfeld). (verb-intransitive)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Hum Sage, do you think your pooch is a yo-yo dieter?"
• "The conceit of Bolt! is that the title pooch (voiced by John Travolta ... what better casting for a movie about fantasies of omnipotence than an actual Scientologist?) has been genetically altered to have super-powers (super-speed, super-strength, and a super-bark capable of unleashing a sonic boom) as he assists "his person," a girl named Penny (voiced by Disney's current uber-darling Miley Cyrus) in her battle against "The Green Eyed Man" (the envy of the rest of humanity, perhaps?) to recapture her father, who has been kidnapped to reveal the secrets of whatever it is he does to create super-pooches."
• "I never conjure up an image of a black Labrador, Chesapeake Bay Retriever, German Shorthair, or Weimaraner when the word "pooch" is spoken!"