slang One's mouth. Often used in rude or aggressive ways. Shut your word hole, Bobby—no one asked for your opinion! Maybe if you didn't stuff so much fast food in your word hole all the time, you'd actually have a chance at losing weight!
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
word holeand cake hole and pie hole
n. the mouth. Put this food in your word hole, chew it up, and swallow it. Shut up your pie hole!