Definitions by The Informer (for your health)

the clam 

Chlamydia, the STD transmitted through sexual intercourse,i.e. genital copulation. It is a bacterial infection that should recieve medical attention immediately and can cause numerous problems in women and men alike.

Slut 1: Oh Betty, I got the Clam!
Betty: Ahahahaha, that sucks slut.

the clam by The Informer (for your health) January 9, 2008