Clam blanket describes a wet tired vagina grabbing them undies up in the pussy lips. Not to be mistaken as a camel toe as the camel toe is just the outline of the twat.
Did you see Regina that clamblanket was fierce on them yoga pants this morning.
Clam whack is when you slap a female in the pussy so hard they make blue whale mating calls
Bro1: dude I thought you were going to Stacey's house tonight? what happened?
Bro2: nah man she got mad at me after I clam whacked her as a joke.
Bro1: Lmao you aint getting no coochie tonight