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straight arrow 

A person who doesn't use alcohol, nicotine, caffeine, or other drugs. Can also be used to refer to somebody who doesn't party, cuss, stay out late, or engage in other risky activities.
That dude is such a straight arrow; all he does is drink water and read the Bible.
straight arrow by shearay02 November 15, 2007

Straight As An Arrow 

a phrase used to describe the straightness of a guy that is nowhere near gay or to be "straight" on a situation.
Greg: you wanna smoke some of this crack?
Larry: Definitely not cuz, I'm straight as an arrow
Greg: arite, well wanna make out with me?
Larry: DUDE!, what did I just say?!, that term can be used both ways, I am good!
Greg: I go both ways
Larry: you're fuckin weird, why am I even hanging out with you?

straight as an arrow 

Lacking breast ; female's body that lacks the curves of a woman

flat
flat chested
straight as an arrow by Dark January 23, 2005

Straight As An Arrow 

When you think you're okay to drive after putting down a six-pack by yourself, when in actuality, you are not
Me: Are you alright to drive?
You: Yeah, bitch, I'm straight as an arrow. Get off my back.
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
korean word for madam, older woman
Ajumma wait a moment
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
Slop Grenade by Joe Squid September 28, 2026
Word of the Day on September 29, 2026
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