A hazing ritual or punishment in which an unlucky fellow is strapped to a pole or board, and with the help of many assistants is moved back and forth under an obese unwashed man's undercarriage, from the top of the crack to the back of the sack, in a wiping or scrubbing motion until dead or unconscious.

"Greg informed us that Revenge of the Sith is his least favorite Star Wars film, so I petition that his punishment will be a GrundleButter Keelhaul."

GrundleButter Keelhaul by PhatSphoincter October 1, 2025

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GrundleButter Keelhaul

A punishment in which an unlucky fellow is strapped to a pole or board and then held up by several men and swiped back and forth under an unwashed obese man's undercarriage, from the top of the crack to the back of the sack, marinating in the unholy 'butter' found therein.

"Jon said he doesn't like Star Wars, so he has been sentenced to a GrundleButter Keelhaul"

GrundleButter Keelhaul by PhatSphoincter October 3, 2025

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Grundle Butter

Grundle (Aka-Trundle) being the area between your balls and your asshole.
Butter being...butter

Grundle Butter is greasy Sweat that gathers in the Grundle region, Semi-transparent in color with a refreshing odor.

SFM-Trundle Butter

"Why is Steves asshole wet?"

"Thats just his Grundle Butter."

"Poor Bastard"

Grundle Butter by XPR November 30, 2004

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grundle butter

n. sweat from the balls and ass crack that congeal in the taint area.

'man, it's so hot today... i have so much grundle butter'

grundle butter by osu985 February 20, 2009

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Grundle Butter

Noun: A greasy semi-transparent fluid which accumulates in the area between the asshole and ball sack (known as the grundle)

Verb: Spread or cover (something) with grundle butter

Noun: "Why does that napkin smell like shit?"
"It's got grundle butter on it"

Verb: "Budget rental trucks pissed me off so bad I grundle buttered their doorknob while they were closed"

Grundle Butter by SurvivingMike October 30, 2011

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Bunhead

A girl who does ballet and only talks about ballet. Her schedule is filled with dance classes which does not allow her to do any other activity.

"Hey, do you know that girl Sally?"

"Yeah, she's kind of annoying. All she ever talks about it ballet."

"Wow, what a Bunhead."

"Hey Sally, you want to hang out this weekend?"
"I can't, I have dance."
"You're such a Bunhead."

"Yeah... I know."

Bunhead by Jen00 October 24, 2014

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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.

trucker's tan by population361 May 30, 2006

Word of the Day on October 5, 2026

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kidulting

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

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Boffin

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

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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

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