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Ten Heads 

A mildly deformed human, who through genetic mishaps has an over-developed bulbous cranium. Despite having a larger capactiy for brain storage, Ten Headed people tend to be below the average IQ level and are therefore ridiculed accordingly. Ten Headed people cannot ride motorcycles in the UK due to helmet fitting and balancing issues.
Jonny -'Oh my God where the fuck has the Sun went to?'
Jimmy - 'I think it's an eclipse!'
Jonny - 'Nah - it's coz that moron with a badass case of Ten Heads, fucker has walked passed, that's all'
Jimmy - 'Hey cocksucker, get out the fuckin way'
Ten Heads by Cow Moolester July 8, 2009

ten-head 

If an average size head has a forehead (4 head), then a rather large head is called a tenhead (10 head)
Dude, that dudes, got a tenhead. Na dude, thats a sevenhead...
ten-head by Kris Thompson February 18, 2004

ten-head 

A slang to say how big someone's forehead is
"haha, she doesn't have a forehead , she has a ten-head"

Ten Bob Head 

This phrase has been used in Liverpool for decades.
1 Adjective. Description of a poor attempt to direct a football goalward with the head.
2. Adjective. Description of person who made the poor attempt to direct the ball goalward with their head.
Based on ten bob being a 50p piece, ball has spanged off one of the vertices of the 50p piece which is metaphorically on the footballers head. Ball heads off at a wild angle to that which was intended.
" That was a proper ten bob header mate"
" The state of that, you ten bob head!"
Ten Bob Head by DJ Bladdered September 6, 2006
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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