Something that REALLY sucks, something TERRIBLE. An awful event or action.
Going to s Star Trek convention and having fun, would be heinous.
Getting drunk and screwing an ugly David Schwimmer aka Skanky Ass Hoe, would be heinous. Getting caught killing someone would be heinous. Catchin yer dad jackin off to you jackin off in yer mom's nightie would be HEEEEEEEINOUS
by PsyChOtica May 26, 2003
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although the formal definition is used to describe something wicked or evil, it is now the hip word to describe something abnormally weird, yet funny at the same time.

noun: heinousocity (nickname: ocity)
Hhahahah look at her doing that nerdy dance! It's the most heinous thing I've ever seen!

"Omg, the things he was doing were so excrutiatingly heinous, I just wanted to punch him!" She exclaimed in hysteric laughter.

You are such a heinousocity!!!

Woooow what an ocity!!
by Fee103 February 1, 2011
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shockingly mean, beyond rude, or like wicked in a bad way
by sarah947 August 29, 2006
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Two words used together to describe sexual based criminal offenses. In New York City, the dedicated detectives who investigate these vicious felonies are members of an elite squad known as the Special Victims Unit.
In the criminal justice system, sexually based offenses are considered especially heinous.
by K-DOG March 7, 2014
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Wickedly rude; someone who is bitchy for no reason; uses personal things against people; uses people for personal gain
Nay thinks she's cool, but she's just a heinous bitch.
by BG mommy June 5, 2009
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The sensation that one's sphincter is actually aflame, usually occurring after eating bad tex-mex, taking a really nasty shit, or pulling the Steve-O Bottle Rocket stunt from JACKASS NUMBER TWO...
GUY1: Dude, why did I have to go to Chipotle on my lunch break? Now I've got to sit through this board meeting with my heinous anus! My Asshole must look like a cigarette burn on the Sunday morning comics!
by Mjolnir12982 April 18, 2010
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A horrible human being, everything they do is with malice intent, selfish, being labeled a bitch isn't enough, a "HB" or heinous Bitch is literally a whorish devil with red hair and no ass. Very scary to even look at.
by NoTeaNoShade June 17, 2015
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