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In a fraternity or sorority of the ethnic persuasion, an ism is defined as an individual that has the same position in line.
I love my ism! We're both rep that deuce deuce!
by greeky January 02, 2008
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Someone who does a distinctive specified thing so much, that they are now notorious for it. They are generally referred as a "their name"-ism.
President Bush mispronounces so many of his words that they are now referred to as Bush-ism's...
by Derb Derb September 11, 2009
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"I jus' gunna get sun 'mad ism' and lounge for a week."
by Diego August 30, 2003
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something about a person that is unique to them add it to the end of their name
"geez look at bob he can't stop doing that no one else would ever do that"
" nah thats just his bob-isms"
by james in the dale August 24, 2007
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its pronounced ::IS-UMM:: A word used as slang for marijuana. Made popular by the famous and under rated rapper Redmad. He uses the word in many of his songs when referring to the controlled substance........see also weed, herb, or tical
"so wuts good wit all the ism..........blaze it"
-which means-
"my good man where is all the marijuana......light that stuff up"

"Spread the ism around until the ism reaches each end// take your fingers and your thumb from tip to tip// roll it in a motion then the top piece you lick" - lyrics from the redman song, how to roll a blunt off of the how high
by Yuck_fou_ALL April 28, 2006
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in greek societys, someone with the same line number are considered isms.
You can also be in the same class as well as ism and therefore be called "class ism". Or additionally also be syands and be "class ism syands".
Magma and Sizzlin' Bacon are #32 Epsilons, making them the hottest class-isms ever.
by sizzlin' bacon February 07, 2007
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