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Fire Engine 

The act of having sex with a woman who is on her period.
I was having sex with this chick last night and I pulled out and it was fire engine
Fire Engine by tc_packers April 11, 2011

Fire engine 

Fire engine is a way of saying tuna and grits in the bahamian dialect.
"Miss may I have some fire engine?"
Fire engine by Bahamian_242 October 28, 2021

Fire Engine 

A way of saying corned beef and grits in bahamian dialect. A common breakfast dish sold all over The Bahamas. It is not uncommon for a cart with Fire Engine at 7-8am to be in a parking lot serving to people of all walks of life starting their day.
Mark:"can we get some Fire Engine and a patty before school?"

Marks Mom:"yes I could use some breakfast before work too"
Fire Engine by Bahamian_242 October 28, 2021

fire engine diarrhea 

Diarrhea that spews from the anus like water from a firehose
Nick had fire engine diarrhea after dinner at Loco's
fire engine diarrhea by cg115 August 22, 2010

Go you big red fire engine! 

A phrase adopted by Australian comedian Adam Hills, usually used as an expression of affirmation or encouragement.

It was coined during a 1999 stand-up performance in Melbourne, Australia. Hills had invited an audience member on stage to yell out his own name; instead, the man shouted "go you big red fire engine!" The phrase quickly became an audience chant, and Hills subsequently used it as an affirmative mantra, eventually basing a stand-up show around it in 2001.

"Go you big red fire engine!" came to be regarded as a general expression of encouragement, and with Hills' urging it began to weasel its way into pop culture: it ended up appearing in a Detroit newspaper and on a Swedish website, as well as being yelled out in the Australian Federal Parliament by then-Senator Natasha Stott Despoja.
"The only way I could get through every night (of a bad gig) was, as I walked on, to just go, 'go you big red fire engine!' I could face anything after saying that!" - Adam Hills, "Go You Big Red Fire Engine" (2001)

Engine Fire 

A sad event that leaves you with a nice looking car that'll never travel anywhere again.
Engine Fire by Winnie The Shit November 13, 2003
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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