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(n) a disease caught by those who attend Gunn High School, Palo Alto, and some surrounding schools. Symptoms generally start to appear junior year, though they may be present as early as sixth grade in some cases. Short-term effects include mad AP classes as well as extracurriculars, caffeine addiction, intense sleep-deprivation, a triple-booked schedule, no time for family and/or friends, and chronic talking online at 5AM while doing homework.

Long-term effects include acceptance to Stanford(in severe cases), heart disease, and a "BRING IT ON" mentality regarding life that will haunt you to your grave.
I was studying AP Biology while on a volunteer worksite in Canada over spring break and talking in French to my professor online, when I realized what a totally *Gunnitis* moment it was.
Gunnitis by Katherine July 2, 2004

Gunningsoul 

A wannabe ninja. Ninjas are uber cool, and Gunningsoul is just "cool", being an "uber" away from uber-coolness.

He likes the film Shaun of the Dead though, which is lovely.
Gunningsoul doesn't know the art of the ninja.
Gunningsoul by cool_penguin_0 January 28, 2005

Gunningsoul 

Some guy...he's awesome.
Great, Gunningsoul got banned again.
Gunningsoul by Gunningsoul January 28, 2005

Gunnings 

A tick that lives in the Scrotum that crawls behind the Foreskin at night time to feed on Smegma (Knob Cheese). This revolting creature is only found in Meath and Dublin (Ireland).
I had a constant itchy feeling down my Japs eye. Then i caught one of the little freaks.... it was a family of Gunnings :(
Gunnings by Kenneth Martin August 29, 2006

Gunningism

A religion started by Pat Gunning in D.C
The belief is to drink beer w the homies have immaculate vibes
“Yo there’s a sick religion called gunningism”
“That one with Pat as god”
“Yeah bro, I worship him”
Gunningism by gunningism May 28, 2022
The weird emotional cocktail of feeling disgusted and amused at the same time, usually when watching something that’s supposed to be serious but ends up feeling goofy, cringe, or gross in a way that still makes you laugh.
Bro, I just saw that Superman 2025 teaser… I think I caught full-blown GUNNITIS."

"His take on Lex Luthor gave me GUNNITIS — I was disgusted but couldn’t stop laughing."

"Every time James Gunn throws in a random joke during a dramatic scene, my GUNNITIS flares up."

"That was so bad it was good. Peak GUNNITIS moment."
GUNNITIS by DARKLORDLEE September 20, 2025
More from Urban Dictionary

Throat Sweats 

The feeling and build up in your mouth/throat of saliva that sometimes accompanies nausea.
Oh man those burritos gave me the throat sweats, I hope I don’t have food poisoning.
Throat Sweats by TacoFings420 April 23, 2024
Word of the Day on October 11, 2026
Being ignored by someone when making a statement or asking a question. Also known as blanked and turfed.
Person 1: Did u watch ** last nite?
Person 2:......
Person 3: O no u got aired!
aired by Pietro February 9, 2005
Word of the Day on October 10, 2026

piddlefart

Instead of doing my homework, I decided to piddlefart around for two hours.
piddlefart by Rene April 25, 2005
Word of the Day on October 9, 2026
anyone who succeeds in disgracing/over indulging themselves in the throws of clubland
28 hours and 4 clubs later, gurning for england but still refusing to go home - a total wrongun!!
wrongun by bevvers March 21, 2007
Word of the Day on October 8, 2026

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
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