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Firebone
The word ‘Firebone’ is used to identify petrol based engines. Most often used directly to describe pistons which are tuned by hand and used in vintage racing motorbikes. The fuel explodes in the cylinder creating fire, and the piston connecting rod resembles an arm bone. Hence ‘Firebone’.
Firebone by Vestigia nulls retrorsum February 23, 2022
Related Words
firebone
The word ‘firebone’ is sometimes used to describe the energy, focus and motivation people conjure up in themselves, in their minds, to perform amazing feats of strength, daring, skill or endurance. Much like having a burning desire or force within their bodies or bones that push them to excel. People that can summon this kind of inner strength and purpose are thought to have fire in their bones. Many professional athletes, daredevils, adventurers, extreme sports participants often exude firebone characteristics. Surfers, skateboarders, motorcyclists, motor racing drivers, BMX riders, MTB riders, Parkour, Paragliders, Kite surfers all exude firebone personalities. Firebone strengths can also been seen in emergency workers, soldiers and those that perform at the highest levels in their chosen sport or profession.
Now that’s what I call a ‘firebone’ performance, he executed that motorcycle jump with super human bravery and skill.
firebone by Vestigia nulls retrorsum March 8, 2022
Firebone
Firebone is known for its distinctive 'Defiant Tiger' prints. Firebone is inspired by bikes, boards and vintage machines. Concepts are often based around inspirational and rebellious themes. Illustrations are a mix of Japanese tattoo style, comic book and vintage motor racing.
Firebone by Vestigia nulls retrorsum December 14, 2022
firetoaster_
The biggest dicked male in the world. Paved the way for many pornstars not saying who and gets hell of grills. They call him mister steal your grill not because he is black because he can kill you with one insert of his massive cock. The color blue is ghey like the thing called Nubstty and FireToaster_ is not ghey. He flips dicks and bangs chicks a man once said that before but fuck it this is the urban dictionary so im hella thicc with the stick.
firetoaster_ by Not Toaster_ October 29, 2018
Firetoe
Firetoe by fuckmetillibleed March 2, 2017
firestone
to discard a used condom quickly onto pavement to avoid embarrasment/consequences, "where the rubber meets the road".
More from Urban Dictionary
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.
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.
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.
Pee Calculus by anorlondo October 1, 2026
Word of the Day on October 2, 2026
Ajumma
Ajumma by aintnotinbutnice July 5, 2009
Word of the Day on September 30, 2026
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
Brent: he just tossed me a slop grenade
Slop Grenade by Joe Squid September 28, 2026
Word of the Day on September 29, 2026