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Smarthole 

n. One who obnoxiously asserts his/her intellectual superiority. Conjoinder of 'smartarse' and 'arsehole'.
"Who rammed a stick up your arse, smarthole?"
Smarthole by El Farmerino September 16, 2005

SmartHole 

When a person is being a smart ass but also an asshole at the same time. Can be sarcastic, borderline rude.
That guy at the bar was being a smarthole with the ladies.
SmartHole by Yanchai June 20, 2025

Smartphone-Zombie 

A person that is constantly focused on his or her smartphone, ignoring the environment and especially other people.
Dude 1: Hey you see that girl over there? She looks good right?
Dude 2: Sure, but I´d stay away from her man, she´s one of those smartphone-zombies.

Smartphone Waterfall 

When one person in a group checks their smartphone and incites a domino effect of everybody else checking their own phones, thus ending all live discussion.
Andy caused a smartphone waterfall when he checked his email, so nobody noticed the 8 foot juggling clown that danced through the room while balancing on a beach ball.

smartphone party 

When a bunch of people get together to party but eventually end up staring at their smartphones.
Alex: Hey, Jamie's throwing a party this Saturday! He's invited us all!
Jerry: Uh, I don't know...I'm afraid it will turn out to be a "smartphone party"...
Alex: He said it is going to be "unplugged" so smartphones are not allowed.
Jerry: Fuck no, Alex!
smartphone party by vaultimor March 21, 2017

smarticle particles

The particles that make someone smart.
Did you know Sam made honor role?
Wow, she must have smarticle particles.
More from Urban Dictionary

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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