Clamshell 

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.

Clamshell by VegaEnterprises July 25, 2008

Clamshell 

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.

Clamshell by VegaStuff March 5, 2008

Clamshell 

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.

Clamshell by ekks September 24, 2010

Clamshell 

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

Clamshell by Dirty Cather July 3, 2011

clamshell 

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

clamshell by Zack Moore December 9, 2008

Clamshell 

Pussy poke out like a clamshell

Hey u see that girls clamshell

Clamshell by Lilbuck June 15, 2015

clamshell 

a sex postion when the girl pulls her feet towards her head and you get her up the arse

Man)Do you wanna FUCK
Woman) Yeah clamshell lets go right hear right now.

clamshell by 4twentymasta February 1, 2016