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Mount Doom 

The colossal poop after not visiting the toilet for a few days. Named for its ring-destroying properties.
My ring was bleeding last night. Not because of the curry, though. Just a regular ol' Mount Doom.
Mount Doom by More Dork December 9, 2010

mount doom 

the monstrous mountain deep in mordor in the lord of the rings movies. Always spewing lava.
The one ring was forged and destroyed in mt. doom. BTW return of the king is NOT overhyped.
mount doom by adrian January 1, 2005

Mount doom 

When you rub the condom with hot sauce before thrusting her in the ass, therefor burning her ring
Dude... We totally used that new Mount Doom trick last night

Kinky man..
Mount doom by Ring destroyer July 19, 2019

Mount Dooming 

The act of having one's ring destroyed.
Bob: Hey Clarence... You wanna come round mine and partake of some Mount Dooming? (Wink)

Clarence: Yeah bob... Sounds like my idea of fun! (Nudge Nudge Wink!)
Mount Dooming by Maverick 293 October 23, 2009
More from Urban Dictionary
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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