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Rockblocking

Preventing someone from getting a free high. Similar to cockblocking but with drugs not sex.
Hey don't be rockblocking!

Damn rockblocking mf's!
Wtf ?Why she always rockblocking me?

cockblocking keyboard 

The keyboard that was shown at the beginning of the 'Hell To The No' number in Season 2, Episode 16 of Glee. It is the 'cockblocking keyboard' because the scene before 'Hell To The No' was the scene of Kurt and Blaine's first kiss. Right before they were about to show Kurt and Blaine's steamy second kiss, the scene cut to the angle of this keyboard, thus instigating a cockblock among the Klaine fandom.
Person 1: What's so special about this keyboard?
Klaine shipper: It is the cockblocking keyboard of evil. I WANT MY SECOND KLAINE KISS!

cockblocking 

one guy ruining another guy's chance to score some booty
That fucking punk-bitch took my seat at the bar and eventually took home the girl i was talking to. He was totally cockblocking me.
cockblocking by WillyStyle November 9, 2007

Cockblocking coalition 

A well coordinated group effort attempting to interfere with your chances of scoring
Her friends formed a multi-layered cockblocking coalition that was impenetrable.
Cockblocking coalition by EddieWins September 10, 2019

Self-cockblocking 

The act of being so stupid that you always ruin every single chance you get at getting laid
Guy1: That guy sucks at getting girls.... Guy2: If only he'd stop self-cockblocking, then just maybe he'd lose his virginity.

cockblocking roommate

Somebody who never leaves the room whenever you could fulfill your sexlife. This kind of people disrespect your privacy needs either because they don't give a fuck about you or just simply being an asshole.
"Dude I picked up that hot chick yesterday but I couldn't bang her "
"How comes? "
"'Cause my prick cockblocking roommate were staying in the room all time again, it was the 3rd time he ruined my sexlife "
More from Urban Dictionary

trucker's tan 

A sunburn or suntan focused on the left arm. It is caused by the left side of the body being the only half that gets exposed to sunlight while driving. Presumably, it would be located on the right side of the body in countries where they drive on the left side of the road.
I had a trucker's tan after driving for 10 straight hours on a sunny day.
Word of the Day on October 5, 2026
The phenomenon where adults salivate at children's toys
Every time I walk into the toy aisle, I catch myself kidulting over the latest action figures and LEGO sets!
kidulting by Emotional Cruiser October 12, 2025
Word of the Day on October 4, 2026
British slang for a scientist or technical expert, esp . when the speaker is not certain of the expert’s specific field of study. Not necessarily derogatory, but typically used by persons without a technical background. In the US, the equivalent would be “egghead”, “squint”, or “geek.”

Origin of the word is unknown. Started sometime in World War 2. Given the typical evolution of British slang, could easily have started because what these experts did was confusing or “baffling” to the common person.
According to the boffins downstairs, the murderer used a serrated blade.
Boffin by Agnon February 11, 2023
Word of the Day on October 3, 2026

Pee Calculus

When you have to pee in a movie but don’t want to miss anything, and must do the following mental equation: will the amount I have to pee cause enough discomfort to diminish my attention capacity for the remainder of the movie to an extent which is greater than the amount of the movie I would miss by making a mad dash to the restroom.
I saw Satantango last night, wonderful film but by the 5th hour I had to start doing pee calculus.
Pee Calculus by anorlondo October 1, 2026
Word of the Day on October 2, 2026
Literally "dirty" pronounced with a West Indian accent. Can also have a positive connotation, for example Sean Paul's album title "Dutty Rock".
"The girl is pretty but she corrupt and dutty!"

or, in a positive usage:

"Booya! That freestyle was dutty!"
Dutty by J Hall April 3, 2003
Word of the Day on October 1, 2026
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