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chin check 

1. The act of demoting a sucka to his proper place typically via a swift jab to the mandible.
1. Fabrizio got out of line so I chin checked him.
chin check by Slanford dictionary December 13, 2003

chin check 

a glancing strike to the chin which causes the jawbone to compress the trigeminal nerve (cranial nerve 5) and cause pain and disorientation

also a single by N.W.A.
Cletus: I know about certain body areas, too. We gotta hit those guys in the ganglia.
Moonpie: Where?
Cletus: In the ganglia. That's a mess of nerves under the ear. You gotta drive the jawbone up in that mess of nerves and it rings a bell.
-discussion of chin checking in Rollerball
chin check by mcnewbie March 31, 2009

Chin check 

Mean to hit someone in the chin
He was walking down the street and homeboy chin check his ass
Chin check by Big tray October 1, 2020

chin check 

To strike a enemy on the chin with two fingers, letting him know you don't respect him. Often concidered the worst insult that can be givin in the hood. Almost worst that getting your chain snatched

How it's done:
Lift both the index and middle finger 18" above the head and swing down swiftly striking him/her from the jaw to the chin, while maintaining eye contact. End with an insult or a challenge to retalliate.
Daymn! He chin checked dat fool!

Yo, he size me one more time I'm gonna have to chin check him!
chin check by Tru Greek July 6, 2006

chin check 

The act of surveiling your mate to see if they (usually a female) have been cheating. Literally, checking her chin for the testicles of another man to whom she has been giving oral sex. Made famous by the Snoop/Dre song, "Bitches Ain't Shit."
"...Snoop we got news/
Your girl was trickin' while you was draped in your county blues/
I ain't been out a second and already gotta do some muthafuckin chin checkin/
Move up the block as we groove down the block/
See my girl's house, Dre, pass the glock/
Kick in the do', I look on the flo'/
It's my little cousin Daz and he's fuckin' my hoe, yo/
(Bitches ain't shit)
I uncocked my shit...I'm heart-broke but I'm still loc'ed
Man, fuck a bitch!" - Snoop Dog and Dre, "Bitches Ain't Shit"
chin check by johnwhkilla April 16, 2006

chin check 

The act of proving your male dominance by fearlessly putting your testicles on someone else's chin. Bonus points if you use the word 'chin' in a way that could insult asians
You're paying for this round lest yee be chin checked.
***BONUS EXAMPLE*** if you're reading this you are most likely a bagger at a grocery store. So when an asian pays with a paper check, be sure to be right there and say the following: Chin Check yella!!! We don't accept Chin Checks
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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