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crack up 

Something very funny.
When talkin' bout Coke.
"Hahaha, whatta crack up!"
"Yo, Crack up, foo'."
crack up by Diego September 4, 2003
Urban Dictionary Merch

Crack up 

Used by stoners when they find something funny, usually said with no emotion.
Vanessa: Did you hear about what happened to Todd?
Ben: Crack up.
Crack up by Ark T May 27, 2010

Crack up 

To burst into loud, hysterical or aggressive verbal abuse. Used primarily in Ireland and the UK. Similar with the American "freak the fuck out," however only used in negative situations.
"Yer wan at the pub cracked up at me when I asked how much she charged for an hour."

"Don't you dare crack up at me! I'm not the one sleepin' with my sister!"
Crack up by Lolitaslut May 6, 2009

crack up 

A female pilot flying upside down. An FAA rating obtained by female pilots after they have logged a minimum of 15 hours of inverted flight time.
Sally is a crack up. She can fly better upside down than most pilots can fly right-side up.
crack up by seymour heines February 28, 2008

crack-up artist 

An individual who is involved in either:

1)Comedic delivery of wit in front of a small audience.

2)Regularly providing 'one-liners' with the purpose of amusement.
Anthony: Have you seen my keys Tony?

Tony the 'crack-up artist': Yes I sure have, there they are.. Not!
crack-up artist by Gus McLeary April 1, 2008

crack me up 

when someone says something funny and you start laughing uncontrollably you say "YOU CRACK ME UP!"
person 1: he is planning world freckelation!
person 2 who is laughing uncontrollably: dude! u crack me up!
crack me up by golden weirdo July 20, 2008

crack myself up

to laugh hysterically at your own jokes, whether or not anyone else laughs at them.
And then the eagle says, "That's not MY nest!"...sigh. I crack myself up.
crack myself up by Jordija March 25, 2004
More from Urban Dictionary
A group of people, typically women, searching through someone’s digital footprint in order to find more information about that person.
Susie wasn’t sure if her new Hinge match was a creep, so she assembled Galantir and they found out he used to post slurs on gaming forums.
Galantir by Ge-sus September 22, 2026
Word of the Day on September 23, 2026

murderhobo 

In a tabletop game, a murderhobo is a player who murders NPCs indiscriminately. This is normally derogatory, referring to a player who totally ignores quests, dialog, backstory, trade, world building etc.

The term is most common with Dungeons and Dragons, but it can be applied to most RPGs where the player is allowed to kill most quest-giving NPCs and NPC traders. E.g. Elder Scrolls, Fallout, Divinity original sin.
DM: The sad little orphan girl tugs at Steve's trenchcoat to get his attention, and ask for help saving her pet dog from...
Steve: I'd like to roll a strength check against strangling the orphan.
Dave: I call dibs on the dog.
DM: You murderhobos disgust me.
murderhobo by Loup&S September 9, 2021
Word of the Day on September 22, 2026
In sales terms, a whale is a prospect that is significantly larger than an organization’s average customer.

Whales are large and extremely difficult to close. Due to their immense size, they are highly sought-after.

A whale is typically identified at first by a whale hunter on the sales team, but often requires cross-discipline participation in order to close; this includes assistance from operations, engineering, creative, client success, and business development teams.
"Shit...the sales director chewed me out on the sales call this morning. He's totally pissed that I have nothing in my pipeline. I've been focused on this one whale for so long that I haven't had time to prospect for normal-sized deals."
Whale by FQ_GFY February 3, 2020
Word of the Day on September 21, 2026
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