If you've ever been obviously checking out a guy and then your friend decides to "claim" him by walking up to him and touching his polo shirt and exclaiming, "I'm soooo drunk right now omg!"- you've been clam jammed.
If you've ever been hitting it off with a guy and then you tell him his pong game is weak, you've been clam jammed.. by yourself, I might add.
A gathering that is predominantly female. The opposite of sausage fest.
2) noun. (clam-jammed)
A female cock block
Example 2: I almost hooked up with that girl last night, but I got clam-jammed by her friend.
(verb) to block a female from getting sex.
also Clam-Jammy (adj) describing a person with nookie blocking qualities, who may pose a threat to other men-seeking women.
"That Clam-Jam may be five-foot-ten, but I have the Kama Sutra memorized and he'll never know."
"I am going to Clam-Jam Samantha, because that nasty wench spilled my drink and flirted with my boyfriend."
"There is a very Clam-Jammy cougar leaning at the bar, and I'd like to cut off her stilettos with a nail file."