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catching up 

flirting with an acquaintance who you know vaguely at a social situation like a party or bar, and denying accusations of flirting with the mere excuse of you were just reconnecting socially.
Mate 1: Who was that girl you were just talking to?
Mate Accused of Catching Up: Oh just Stacey, haven't seen her since Joey's Halloween Party.
Mate 2: Aye, were you flirting with her?
Mate Accused of Catching Up: No! We were just catching up!

catching up to brew 

the act of catching up with someone you haven't seen in a while, reminiscing, etc. whilst enjoying a tall frosty one.

also, the act of catching up to someone who has had more drinks than you; either because you got there late or because you've been nursing.
man i haven't seen you in years. let's grab a beer, we got some catching up to brew.

damn you've got serious beerability, i got some catching up to brew.

Catching up on sleep 

To masturbate. An excuse to tell your roommates when you are going to go masturbate so they think you are going to bed.
Tyler- "Hey guys I think I'm going to go to bed early to catch up on sleep"
Matt- "Tyler are you going to masturbate?"
Tyler- "Noooooo...." (Sarcastic)
Matt- "OH! you're not Catching up on sleep! You're masturbating!"

Catching ups

Term used by graffiti writers that means going out painting or go bombing and putting up their throw up or bubble lettered tag
I see out there catching ups bro goodshit!
Catching ups by SicVisionz February 2, 2020
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
Short-hand for the word floccinaucinihilipilification, meaning the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language).
After we broke up, he was floxi to me.
floxi by Dr. Geek May 13, 2009
Word of the Day on September 28, 2026
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