The guarantee that is offered on something that cant be guaranteed for as long as that person keeps a part of their body in boiling water. In other words there is no guarantee

Seller - Yeah this car comes with a boiling water guarantee
Buyer - Ok thanks ill get back to you

boiling water guarantee by davecyberd January 8, 2011

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boiling water challenge

The challenge where you pour scalding hot water all over your body

You should do the boiling water challenge

boiling water challenge by Twenty Juan Pilots November 28, 2016

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Boiling water reactor

Boiling water reactor is a type of nuclear reactor in which steam is produced within the reactor pressure vessel instead of a separate boiler to produce electricity. Typically operate at around 285°C (550°F).
This type of reactor have 2 major fluid loops which is the reactor-steam turbine-steam condenser-water treatment loop and steam condenser-cooling unit loop.

You know that Chernobyl's RBMK reactor IS actually just a poorly designed boiling water reactor right?

Boiling water reactor by AK74MR UUK July 17, 2025

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Boiling my water

the act of someone's getting on your nerves; pissing you off.

guy1 : Yo dude i heard you was gunna beat john up what happened ?

guy2 : lil punk was Boiling my water man , juss wanted to choke him.

guy1 : thats some uncool shit on his part man.

guy2 : damn right dude.

Boiling my water by chuck_ch March 1, 2009

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boiling your water

what you do before having angry sex

oh girl imma boil your water right now

sorry i was busy boiling my girls water ;)
i want to be boiling your water right now

boiling your water by chicken nugshshgaaak August 31, 2017

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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

Word of the Day on October 3, 2026

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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

Word of the Day on October 2, 2026

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Dutty

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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Ajumma

korean word for madam, older woman

Ajumma wait a moment

Ajumma by aintnotinbutnice July 5, 2009

Word of the Day on September 30, 2026

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Slop Grenade

When someone uses AI to generate a large document, slide deck, or piece of code/software and tosses it over the fence for you to deal with.

Chad: Hey Brent I sent you the new backend API change to review, it’s only 100 files changed.

Brent: he just tossed me a slop grenade

Slop Grenade by Joe Squid September 28, 2026

Word of the Day on September 29, 2026

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