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The act of holding your straw like a knife and then shanking your buddy's large McDonald's cup on the side in an attempt to make a huge mess. This only works with the large cup since it's the only one made out of styrofoam .
Leo (thinking): I should McShank Hans just because i'm bored....

*Leo then McShanks Hans' large cup*

Hans: Hey man! WTF! you ruined my cup and made a mess!!!

Leo: How You Like Me NOW!!!
McShank by EldeEp June 29, 2009
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Adam McShank 

What you call a big scary guy who lives in a small town in the country, likes shanks and guns alot, calls people 'jerks' and often roams the surrounding forests at night, looking for victims. Such a person may also flick a phantom shank at you, or maybe even a real one.
We were in the forest last night and got chased by an Adam McShank guy with a knife and a hunting rifle.
Adam McShank by B.A Buchanan September 22, 2016
Related Words

McStankus 

McStankus is a deadly gamer locally know in Ontario who lives with a shack found in the Rez part of town.
"you hear about that deadly guy McStankus}" "yeah er [deadly him"

Jason Mcshane 

The biggest faggot that lives and gets dill pickle dunk on by a moby Huge ball bag
That nigga jason mcshane is a gay

poopy pants mcspanksalot 

someone that poops unexpectedly and at the most inconvenient of times; a party pooper; someone who is grumpy.
i just pooped myself and now i hate everything.
wow, you are quite the poopy pants mcspanksalot. wouldn't ya say?
I went to McDonalds yesterday for lunch and this mcskank gave me attitude while taking my order
mcskank by mcgriddle March 12, 2008

McStanky 

When a female employee of McDonald’s has been flippin’ burgers and salting french fries in the un air conditioned, humid, grease covered restaurant kitchen for hours her body produces grease textured sweat and she becomes disgustingly attractive and somewhat appetizing looking. So good you want to dip your nuggets in her.
That bitch be lookin good she’s so McStanky!!!
McStanky by Cheesepacker69 August 18, 2021
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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