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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 1, 2008
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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 6, 2008
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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 23, 2010
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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 2, 2011
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The female equivalent of t-bagging -- most often used in video games, where characters constantly crouch and stand up over and over again to make the illusion of a t-bag, or clamshell. See also; t-bag.
The female gamer celebrated her victory over her opponent by clamshelling his dead body.
by Peace Walker August 26, 2009
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(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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This is a term used to describe the action of hanging up on somebody while using a flip style phone.

Verb: Clamshelling
Past Tense: Clamshelled

1.) I was talking to my bitch but she started to get all straight funky whack so I clamshelled that bitch.

2.) Keep talking shit or I gonna be clamshelling your ass

by Zack Moore January 5, 2007
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