The female version of a cockblock; When a female blocks another female friend from scoring a cute boy, due to jealousy or anger.
(Jane was talking to a cute boy at a party when her friend Karen walks up)
Karen: "Okay Jane it's time to go, I have to go home and feed my cat."
Jane: "Aww Karen quit being such a clam jam!"
11๐ 17๐
The female equivalent of 'fromunda cheese'
Smegma
Girl: I haven't showered in a week, check out this clam jam!
23๐ 44๐
The creamy white discharge of cum and lubricants release from a woman's vagina after a bout of good sex.
Did you see the amount of clam jam coming from that ho!
4๐ 4๐
A woman's vaginal secretions, associating a woman's vagina to a clam, and the secretions that come out of it, being jam.
"man that broad I did last night had some thick ass clam jam."
9๐ 21๐
The female equivalent of the cock block, but amongst two girls who would like to get it on. A much more graphic term to use than box lock.
Trent is hanging out with a bunch of his lesbian friends at a bar. One of his friends' name is Lily.
Lily: That girl at the bar is so hot. I'm going to go hit on her.
Trent: No, I'm cranky. Let's go home.
Lily: Ok fine.
Trent has just clam jammed Lily.
8๐ 16๐
The feminine version of sausage fest; a crowd where there is a higher percentage of women to men
"Damn, look at all those girls over there. What a real clam jam."
5๐ 13๐
When one lesbian interferes between a lesbian trying to pursue another lesbian. The female form of cock blocking.
I would have gotten some pussy last night but this bitch was clam jamming me!
34๐ 5๐