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/məp/ n. Contraction for 'meetup'. A social engagement serving as the platonic equivalent of going on a date. The event at which two strangers or acquaintances meet up in order to pursue a friendship. M'ups usually occur after an individual, most often an adult working professional, moves to a new city alone and is forced to participate in the m'upping scene in order to make friends.
Text conversation between two old friends:

Sush: Hey, how's life after your big move to Denver? Make any new friends yet?
Cat: It's going well! I have a m'up later today with this girl I met during a networking event. I'm kind of nervous but see a lot of potential for friendship!
m'up by 2koola4skoola June 17, 2017
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m'up out of it 

Mup out of it is used when you are telling somebody to stop something that they are doing
*sees somebody doing something* Jimmy, M'up out of it!
m'up out of it by Gregory Yurt-agh December 4, 2016
Equivalent to the phrase "I'm up for it," but abbreviated. It's similar to saying "I'm down." Meaning you're interested in joining in on the activity suggested in conversation.
Ron: I'm really in the mood to get ice cream.
Fred: I'm up.
I'm Up by JewForensicsGirl March 5, 2011
Synonymous with "I'm awake." A two word phrase meaning that the speaker is, in fact, not asleep.
Someone getting woken up by their mom: "Ok ok mom I'm up."
I'm Up by GGGavin June 3, 2020
Awake; stimulated; conscious and responsive to external stimuli.

1. Some reference texts claim that “I'm up” is defined as physically out of bed. This is too specific to be precise. “Im up” (a colloquial shortening of “I'm up for it”) can also mean “Im down with it”. As spacial references, these definitions cannot coexist. Readers who deal with this inconsistency by choosing one definition and politicking for the exclusion of the other are invited to review the urban dictionary entry for “fuck off”.

2. For phrases meaning on one's feet, see: "up and about" or "up and at 'em".
You up?
(in bed, texting): I'm up.
I'm up by FlashPointBang September 13, 2020

I'm up to you 

A phrase used to signify to an individual that you are aware of their current level shenanigans and believe that you have surpassed them in your level of shenanigans.

The phrase is best delivered in a condescending vocal tone.
Garfield: Hey! Odie!
Odie: Whats up Garfield?
Garfield: I'm up to you.
I'm up to you by technocrat September 5, 2011

Shake'm Up 

Alcoholic beverage made from, one part grapefruit juice, and one part Thunder Bird wine.
Joe said he had a bottle of T-Bird. Lets get some grapefruit juice at the store. We'll go to his place and Shake'm Up.
Shake'm Up by Pvt Mike S. September 12, 2005
More from Urban Dictionary

square grouper

Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.
"Base we've got some square groupers floating outside of Miami harbor."
square grouper by slipsheet November 6, 2004
Word of the Day on October 7, 2026
A girl who does ballet and only talks about ballet. Her schedule is filled with dance classes which does not allow her to do any other activity.
"Hey, do you know that girl Sally?"

"Yeah, she's kind of annoying. All she ever talks about it ballet."

"Wow, what a Bunhead."

"Hey Sally, you want to hang out this weekend?"
"I can't, I have dance."
"You're such a Bunhead."

"Yeah... I know."
Bunhead by Jen00 October 24, 2014
Word of the Day on October 6, 2026

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

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
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