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The muscle inside the vagina (cunt).
This was used as an insult in the HBO hit series Entourage where character Ari Gold (played by Jeremy Piven) told character "E" that he was a cunt muscle for waking his family up in the early morning.
E: looks like i woke u up this time huh Ari?
Ari: Noo but u did wake my wife and kids dick head, Vinnie better be sitting in prison with a DUI or something is he?
E: No.
Ari: Then what the fuck do u want Cunt Muscle!?
by Eri Bold August 10, 2008
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Cunt-Muscle (n) Cunt-Muscle the muscle around a Cunt usualy used as an insult
Cunt-Muscle You F***ing Cunt-Muscle

Thant Cunt-Muscle could crack nuts
by ST. Sa-sa September 11, 2009
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Muscle in the vagina used during sex

A male cunt
her cuntmuscle is tight !

god Jeremy is a cuntmuscle
by Xan May 29, 2003
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the muscle in between a womans legs...also an insult to call someone who is not acting in accordance to what you want them to fucking do
i was lickin on this bitches cunt muscle...she was being such a cunt muscle because she wouldnt suck my dick after i put it in her ass!
by kushstunter69000 April 22, 2009
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A muscle in a woman's cunt. The muscle makes said cunt pulsate.
"I was bangin this' braud right, and her cunt muscle almost swallowed my schmack.
by Luckie August 16, 2006
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