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Propeller Head 

A BMW enthusiast. Comes from the fact that the BMW logo was inspired by a spinning airplane propeller, which dates back the BMW's beginnings as an aircraft manufacturer.
Man, that kid is such a Propeller Head! He knows BMW's like the back of his hand.
Propeller Head by BMW Boy September 25, 2006

Propellor-Heads 

Slang term ferm for Jews, Zionists, and people of the orthopoxed Jew faith
I have designed a ball bearing propellor for that propellor-head, and I will crazy glue that device on their yarmulka
Propellor-Heads by Photius September 8, 2005

propellerhead 

In reference to those beanies with the spinning propellers on them. It's slang for a trendy techno-geek.
That goofy guy with the long hair and glasses is our Computer guy, but he's a hardcore propellerhead.
propellerhead by M.R.R. July 8, 2003

propellerhead 

Non-geeks use this term in refrence to geeks. Geeks use this term in refrence to a geek that spews crap that he/she doesn't really know anything about.
non-geek: That guy has a Linux pda, what a propellerhead

geek: That propellerhead is vomiting random termanology in my face.
propellerhead by ribo August 30, 2004

propellarhead 

A nerd, usually in reference to technology or computers.
Bill Gates is a propellarhead.
propellarhead by toby616 September 28, 2009

propellerhead 

An individual who is destined to advance quickly in an organization.
Anyone who read Good to Great in college is gonna move up in this company, that kid's a real propellerhead.
propellerhead by That Guy February 19, 2005
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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