Top definition
Clamshell
This is when a girl thinks she is being nice by giving you a hand job, but actually hurts you by placing her fingers up and down on the head of the penis causing extreme irritation.
Joey: Lets go into the bathroom.
Rachael: Ok Joey.
Gets intimate(in a bathroom)
Joey: AHhhHHH, what the fuck are you doing? I'm leaving.

Michael: So how was rachael after all?
Joey: It hurt like hell.
Michael: Please tell me she did not clamshell you...
Joey: She did, oh she did.
by VegaEnterprises March 01, 2008
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2
(n.) Slang term for certain types of Adidas casual athletic shoes, so-named because of the clamshell-shaped rubber topsole surrounding the toe end of the shoe. A popular shoe among breakdancers and b-boys.
Did you see Josh's new clamshells? He's gonna break them in while practicing his c-walk.
by J. Kam September 16, 2007
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3
Clamshell
This is when a girl thinks she is being nice by giving you a hand job, but actually hurts you by placing her fingers up and down on the head of the penis causing extreme irritation.
Joey: Lets go into the bathroom.
Rachael: Ok Joey.
Gets intimate(in a bathroom)
Joey: AHhhHHH, what the fuck are you doing? I'm leaving.

Michael: So how was rachael after all?
Joey: It hurt like hell.
Michael: Please tell me she did not clamshell you...
Joey: She did, oh she did.
by VegaStuff March 05, 2008
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4
A $100 bill. Named this way as a derivation of "C Note". "C" being the roman numeral for 100.
I paid 2 clamshells for those shoes.
by ekks September 22, 2010
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5
When a Women Farts and it doesn't just drop out the back it rolls up the front causing lip flappage.
I farted and had a clam shell
by berthabeefdrapes March 06, 2010
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6
The female version of batwings

When the two vaginal lips are stuck to each leg and spread open like a clam shell
"dude check out that clam-shell on the chick over there."

"Ugh... Veronica, I can't where short skirts in this heat, I might get a clam-shell."
by ryanWILL January 04, 2012
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7
The act of picking items up with your butt cheeks. Mimicking the action of a loader equipped with a clam shell bucket
Works best when the male is lying on his back and girl clamshells his penis off his pelvic area.

Just Go With It Movie Coconut scene
by Dirty Cather July 02, 2011
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