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The rumbling 

The definition rumbling is usually caused by EREN YEAGAHHH (aka eren yeager) by summoning giant red colossal people that cause the so called “rumbling”
boy: “OMG EARTHQUAKE”
boy2: “no...ITS THE RUMBLING “
The rumbling by eaten January 26, 2022

rumbling fadooka 

A fart with both volume and magnitue enough to render the "farter" unconscious for a few moments.
Bert: Pull my finger.

Ernie: *tug
Bert: **explosive fart noise**
...Bert giggles and falls to the floor in an unconscious heap...
Mary: (running in from another room ) WHAT WAS THAT NOISE... AND WHAT THE FUCK IS THAT SMELL ?!?!
Ernie: (choking and gasping for air) ....Rumbling Fadooka!!
rumbling fadooka by Skippy107 December 25, 2013

mitochondria resembling a penis 

a mitochondria resembling a penis is a regular mitochondria with penis like features such as a bendy shaft and mushroom top-like cristae.
wow my mitochondria really looks like a dick i wonder if it gets hard?!

No man its just a mitochondria resembling a penis it only does dat dank cell respiration shit

Dicks Vapor Rumbling 

When you rub vicks vapor rub on your dick, and then bang your girlfriend.
So I totally surprised her with a dicks vapor rumbling, had her screaming in pain all night.
Dicks Vapor Rumbling by bonanma March 15, 2012

rumbling clit

Put a cellphone on vibrate put in your pussy and get another phone and start calling your own number over and over again. Enjoy, I know i do.
It is a tinging sensation and it is for sure to get you wet and your probably going to need a new phone if you cum, me and my boy friend were doing the rumbling clit and it felt great!!!
rumbling clit by Ill BONE UR MOM October 17, 2008

Rumbling 

A variation on Motorboating, but using a much deeper sound, thus causing a deep timbre.
I doubt Barry White himself could have given me a more superior Rumbling, Sir........
Rumbling by Sir Betram Sudden-Spaff November 11, 2009
More from Urban Dictionary
anyone who succeeds in disgracing/over indulging themselves in the throws of clubland
28 hours and 4 clubs later, gurning for england but still refusing to go home - a total wrongun!!
wrongun by bevvers March 21, 2007
Word of the Day on October 8, 2026

square grouper

Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.
"Base we've got some square groupers floating outside of Miami harbor."
square grouper by slipsheet November 6, 2004
Word of the Day on October 7, 2026
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
Word of the Day on October 6, 2026

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
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