clamshells 

(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.

clamshells by J. Kam September 30, 2007

bearded clamshell 

An Australian term for vagina

Oi Show us your bearded clamshell

bearded clamshell by mt1 June 29, 2006

clamshell anus 

A congenital deformity in which the buttocks can open up like the shells of a clam, with anus inside as a clam would be inside clamshells.

He dropped his shorts and then made everyone in the locker-room pass out from the sight of his clamshell anus.

clamshell anus by wiginpen February 15, 2004

Clamshelling 

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.

Clamshelling by Peace Walker August 25, 2009

Clamshell Packaging 

An idea that looked good on paper but actually causes more harm to the honest user rather than the intended criminal.

This sealed plastic dome causes many Americans to injure themselves in a magical rage, as there is no way to conventionally open the package with bare hands.

Even with scissors one can find themselves busting a blood vessel trying to free the product imprisoned in the case of failure.

Nathan couldn't get his headphones out of the clamshell packaging, and he resorted to biting and tearing until he split open his lip.

Clamshell Packaging by SkySandvich August 29, 2009

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

clayshelled 

When two people are forced or coerced into open marriages, they meet and fall in love with each other.

They are a clayshelled couple.

clayshelled by Tresequis1963 June 16, 2016