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Bump drafting 

Generally used in motorsports, bump drafting is to stay very close behind another car to the point of touching the rear bumper, to gain and maintain speed. Related to slipstreaming
That's a shit racer, he keeps on bump drafting all day long
Bump drafting by Garf March 22, 2022

Bump Drafting 

A kind person who often gives back to the community they are apart of.
Man That Guy Is as cool as Bump Drafting.
Bump Drafting by SkuIIy May 3, 2021

Bump Drafting 

Sex in the men's room at a NASCAR race during a yellow caution flag.
See that chick over there... we were bump drafting after that wicked crash on turn three.
Bump Drafting by DoorJumper November 11, 2009
More from Urban Dictionary

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
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