The inability to argue a correct viewpoint because the opposition has their cock in your mouth
You can't argue with me due to the Cock in Mouth theory. Now go deeper...
by JR Page December 8, 2006
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Any individual, generally female, whose mouth is shaped and designed primairly for the insertion of male genitals. The shape, size, and controlled contortions of said aperture can all lend themselves to its defining as a 'cock shaped mouth'.
"She's got a stupid cock shaped mouth on her...... I could see how it would be appealing when drunk"

"That cum dumpster has a serious cock shaped mouth"
by Twanker94 February 27, 2012
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"Hey, i hear that girl over there is quite sick."

"Whats wrong with her?" the friend asks.

"She has a severe case of Cock-In-Mouth Disease."

"Oh No." Says the friend.
by Joe. Kerr April 1, 2009
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When an individual has their mouth in the shape that a cock could perfectly fit in there.
Man, I was checking her pictures out on facebook. She definitely has got a cock mouth.
by PhoneEatingBear December 12, 2010
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asshole, jerk, loser; clusterfuck.

Pl. hotly debated whether plural form is "cocks-in-the-mouth" or "cock-in-the-mouths".
Did you have you review with that cock-in-the-mouth boss of yours?"; "Yes, I would change lanes if this cock-in-the-mouth would get out of my way."; "St. Patty's day in NYC is one gigantic cock-in-the-mouth.
by joebohobitz March 31, 2011
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A derogatory term used to express one's dislike for someone. Definitely not something to be said around the family dinner table.
Hey cock in the mouth, where's my John Tesh cd's? Yer momma wants to listen to it while I spank her............
by Boss Hog July 31, 2003
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To have oral intercourse with someone (see citm)
Since you are on the rag, how about a little cock in the mouth?
by Merkin March 24, 2005
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