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When a girl who seems interested suddenly decides that she will not have sex.
"Hey girl, I thought we were going to get down. Why you gotta clam up on me?!"

Dude, this chick was all over me and then she totally clammed up!
Clam Up by gravytrain21 July 20, 2014
Like tea bagging, but when a girl does it, ie a passed out young man has a photo taken with a woman's naked vulva on his face.
OMG, he got so wasted last night and Vickie said that she was going to clam up, and she totally clammed him up. Check out the photo on Flickr!
clam up by Cal952qCal February 27, 2009
to tightin up or pinch ( close up ) squeese
my girl clam up then I over lube . Sooo I keep telling my honey don't clam up this time, just wrap your toes around my ears and relax....
clam up by itichie_nocanpo August 27, 2006

Roughing up the clam 

Roughing up the clam, Scrubbing the clam, roughing the diamond, playing with yourself, getting off, spending some private time
Roughing up the clam by edenmanon January 22, 2009
It is said of the situation where a person has the bad luck to make contact with his testicles against an undefined surface or object, intentioned or not.
Given the nature of the word, it is more appropriate to design cases where the interaction is made with a moving object, for example, a ball.
Although it is extremely painful for the victim, it tends to be considerably funny to people who witness it.
Today in the baseball game the pitcher took a nutshot; the baseball hit him in the nuts.

Man, I just watched the funniest nutshot video ever.
Nutshot by Uberflaven March 1, 2009
Word of the Day on June 26, 2026

Nerd neck 

A "human" that spends so much time playing video games that their posture is level nerd neck. Everytime anyone goes tryhard they hunch down and their neck gets longer there fore a nerd neck is always hunched down cause they're always going try hard. In other words a nerd neck is a try hard, since their neck is 100% longer than the average human being due to playing too many video games and taking them serious, nerd necks are not even considered human anymore but something more sad. Nerd necks are often found on fortnite, their natural habitat usually being tilted towers.
What a fucking nerd neck!

He is building so fast, nerd neck!

Looser more like a nerd neck ha!
Nerd neck by D Sandwich Maker February 5, 2019
Word of the Day on June 25, 2026