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The absence of normality i.e. the absence of what is considered socially acceptable.
Josh’s excessive napping, caused by narcoleptic tendencies, is considered an abnormal classroom behavior.
abnormal by Billbobjoe1984 December 19, 2014
Psychology defines abnormal typically in the realms of abnormal behavior. There are three main criteria that are used in defining what is abnormal.

They are:
1. The behvaior poses a risk to either themself/others.
2. The person exhibiting the behavior is distressed by it.
3. It is statisically deviant.

Also, to a lesser extent, societal norms come into play in defining what is abnormal, but the risk of using this as a criterion increases the risk of stigmatizing.
Beating a pan over your head and talking to invisible blue dinosaurs while shitting your pants is abnormal.
abnormal by Lon May 30, 2005
Something that is not normal. Something that is freakish or weird such as dressing up as a woman or being an asexual person.
I like to dress as a woman and some may brand me as asexual. Im abnormal.
A teen girl that ties her nails black, wears black, wears flip-flops, and acts like gangsta/chav.

(note: she is in my school)
Omg look at her?
what is she? she looks abnormal!
I think she is a prepgothchav.
oh, you're right.
abnormal by chavsrule June 26, 2006
1. Brutal death metal band from St. Petersburg Russia. The best death metal vocals ever, no one can touch Pavel. the guitar tone is top notch, and the bass guitar can be clearly heard throughout the album. Drums are guaranteed to bring about aural orgasm.

2. Abnormal - The definition of brutal death metal.

Lyrical theme(s)
Murders, Death, War, Homophobia

www.metal-archives.com/band.php?id=29815
I was gunna put on some mallcore but then Abnormal came along and murdered that band, then whilst wearing their corpses, made the album Shifted The Shape. Oh well slipknot always sucked anyway.
abnormal by clark June 23, 2009
not doing right things
do not act as if you are abnormal
abnormal by mccall danny September 7, 2023
More from Urban Dictionary
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

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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