Those nasty, ghetto, slutty chicks that block up the halls in your highschool. When you try to pass them you feel like you need a shower to sanitize yourself of the drugs and herpes that you were just possibly contaminated with. Usually characterized with big, baggy sweatshirts or hoodies and jeans with slits passed 5 inches up the side of the leg.
I was trying to tell you a story in the hall but those dirties were in the way!
by Wonder Twin #2 October 30, 2005
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When a girl and a guy do sexual things together. Such as feeling around or dry humping.
Pat - "Me and Brit did the dirty dirty last nite"

By Stander - "Awesome! She's a babe, your a lucky man"
by Britrick May 02, 2006
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a dirty is a joint, blunt, or bowl of weed that is mixed with cocaine.
by jmv August 16, 2005
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Used when something good/exciting happens or something good/exciting is about to happen.
-When your friend walks in the room... "Dirty dirty! Whats up man?"

-If you just beat your friend in a video game one would say, "Dirty dirty!"

-"Hey dude, you wanna smoke some ganj?" "Dirty Dirty!"
by Brian "pikachu" Murkman September 08, 2006
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adj. Possessing narcotics or other illegal substances hidden on your person.


Person 1: The fucking pigs are pulling us over, you clean?

Person 2: Shit-nah n*gga. I'm dirty.

Person 1: Swallow that shit real quick.

Person 2: A'ight
by Jazzerain7 July 17, 2006
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