The baddest ass deltasig family of all time. Part of the Beta Iota chapter. In partnership with the Sexy family, making up the "Sexy and Crass" family line. Consisting of the lineage of Marc Link, beginning with Aaron "Fitz" Fitzgerald.

.....Has also been known to refer to "crustacean ass"
"I wish I could be as cool as the Crass family.."

"Let's get crassy"
by AllIDoIsCrass April 27, 2013

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punk band from the 70's in england. thought to be the originaters of anarchy in punk.
Oi! John is a fucking Crasshole!
by Chris September 16, 2004

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Pulling a crass is where you stay behind unknowingly at a major sporting event while your ride and supervisors leave thus having to return for you and you look like an ass or crass
Stupid crass, two years in a row pulled a crass at state wrestling, that stupid jackass
by Levi,meth,bhs wrestling staff February 27, 2009

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One of the first punk rock bands. Best known for their relentlessly cynical lyrics and anarchistic themes, as well as their overwhelming musical simplicity. Formed in 1977, and reached their peak with 1979's Stations of the Crass and 1981's Penis Envy. The band broke up in 1984 with 5 full length albums and a huge influence in the punk scene to show for it.
Crass was not a very talented band.
by Bryan Adair June 15, 2004

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When a Gentile attends a friend's Bar Mitzfah whilst wearing a "Jesus Is My Homeboy" hoodie.
Boy: Yo, why are you calling my threads crass, baby?
Mother: I just think you should take this off when you're in the synagogue. It might be considered offensive.
Boy: Listen, stop sowing my game with salt.
by GoyHowdy May 01, 2008

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CRack of an ASS
I wish he had a nicer crass.
by Tavila May 09, 2010

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The crudeness of one who shows the unsightly and unappealing CRack in their ASS.
When she sat down her low riders gave all in the room the unappealing view of the crack in her ass. It was a very CRASS thing to do.
by Gary Gene February 20, 2008

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