clam-shell 

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."

clam-shell by ryanWILL January 4, 2012

clam-shell 

The female version of batwings

When the two vaginal lips are stuck to both legs, and are spread open like a clam shell

Veronica gets a clam-shell when it gets really hot out.

clam-shell by ryandubya253 January 5, 2012

Clam Shell

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

Clam Shell by berthabeefdrapes March 6, 2010

clam shell

In Skateboarding... When trying any trick, ussually a flat ground trick, the skateboard gets "tangled" in ur feet with one foot on the ground and the other on the top of the board.

"Damn dude I keep getting clam shells today!"

clam shell by Frank Anthony Davis May 6, 2007

clam shell

(v.) The female equivalent of a cock block, i.e. when a female prevents you from scoring sexually.

When Amanda and I got back to her place after the party, her roommate totally clam shelled me by suggesting we all watch the "Glee" marathon on TV.

clam shell by segway56 October 9, 2011

Clam shell

When you palm a girls wet vagina and lick it.

Nigga 1: bro how was it with that girl last night?
Nigga 2: man it was sight, I gave her the ole clam shell.

Clam shell by BdWolfSx October 21, 2017

Clam-Shell Eyes 

when your eyes become extremely squinty and a little swollen after smoking marijuana, each resembling a tiny clam

Sally gets the worst clam-shell eyes when she smokes, they look so much like little clams !

Clam-Shell Eyes by blurrryvision September 4, 2012