An ism is when 2 people, most commonly a male and female, are alike in almost every way, with the same music taste, the same likes and dislikes, etc... Ism was first created by Gary Williams Gunning and pioneered by the original Carl Gunning and Lauren Walton.
Guy: I like farting in libraries and blaming it on other people.
Girl: LOL ME TOO.
Guy: COOL, we are now isms.
Girl: ...whut
by PrincessLolly January 6, 2010
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Popular phrase used to describe the toughest of the tough, the baddest of the bad, and the popularest of the popular. While much research indicates that Isms have a tendency to tear their groins (due to masturbation with their mom), street cred that is gained from being referred to as an "ism" is unavoidable, with many Isms turning suicidal (and in some extreme cases severely homosexual) due to increased public exposure. We, at the Institue for the Advancement of Non-Isms, strongly suggest that you avoid ANY contact with ANY so-called "Ism".
Ryan, often reffered to by his classmates as "Ism", was caught checking out Pierce's hot body in the boys locker room Thursday.
by nosilly May 5, 2005
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A mongrol hardasss who wants to fight me. Come see me son.
Is that ism, or a dog?
by Daniel Delmonte May 10, 2005
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A suffix that usually emo faggots, vegetarians, communists, leftwingers and other useless pieces of shit put behind words to look smart. It only makes them more annoying then they already are.

When this is done in front of you it's your right, or should i say your duty to mankind, to take action with a punch to the jaw or a kick in the stomach.
Emo fag: omg omg look at this Bush-ism!!1!111
Vegetarian: omg i live by vegetarian-ism!1
Gothic: lol look at me i live by goth-ism!11 plz send cookies
Me (after beating the living shit out of them): You just got fucked up-ism.
by dickkwikkwek January 7, 2007
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another name for an ugly female orangutan; often used as slang to describe a certain kid named ryan who 1. looks like an orangutan, and 2. has about as much intelligence as one.
Is that an ism, or an orangutan?
by dontworryaboutitsonnyboy December 21, 2005
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