The part of your brain which kicks in at the last second and prevents you from saying something incredibly stupid.
He was about to ask her about her pseudopregnancy, when his AFIMD Anti-Foot In Mouth Device kicked in and closed his mouth for him.
by Thinkingman.com January 21, 2011
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This is what you say when you hear someone talking some mad smack about you behind your back. This term can also be used as a back and fourth joke between friends in the hallways when you see them.
Cassco: Hey kyraz why is my name in your mouth??
Kyraz : yours isn’t but your moms is!
Eddie: BURNNNNN!
Cassco: Shut up Eddie you are irrelevant.
Eddie: ok but why is my name in your mouth?!
*kyraz and Eddie go to the chapel*
by Badboyyeet June 05, 2019
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Take my dick in my mouth

The phrase you say to someone who rejected your definition that you worked so hard to write it.
the editor:Should I publish this def or should I reject it?I will reject it,I'm sorry!
the frustrated guy:Take my dick in my mouth,you fucking idiot,I worked so hard to write my def and you reject it so easily!
by piturca October 17, 2011
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tail gunner mouth wash

You need to fill that dirty little mouth of yours with some tail gunner mouth wash, Bob.
by MedPancOblon March 05, 2004
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Our lying friend Emmeline tried to convince us that she had the saying "stealing the tongue from the foxes mouth" accepted by Urban Dictionary. This was clearly not true, so now the saying refers to the action of lying about having one's Urban Dictionary suggestions accepted.
Emmeline: Mate, that's well brenga!

You: What? Wtf does "brenga" mean?

Emmeline: Haven't you heard? Everyone's saying it. I made it up and Urban Dictionary accepted it, now it's their Word of the Day.

You: Low it mate, you're stealing the tongue from the foxes mouth again innit!
by Papa Tredz September 28, 2013
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KNOCK KNOCK
WHO DERE
DRAGON
DRAGON WHO
Dragon deez nuts in your mouth!!!!!
by sigmasigmasigma3000 February 23, 2022
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PUT SOME DIRT IN YOUR MOUTH

TEACHER THEY WERE READING WITHOUT LISTENING

"PUT SOME DIRT IN YOUR MOUTH, PATRICIA"
by greenseqquoiaocean October 23, 2020
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