Applied by a guy when a girl is hot, or to draw attention to the hotness of a girl.
Comes from the chorus of the song 'Get Low' by L'il Jon (3, 6, 9, damn she fine)
Jack: Hey Sam, look at that girl over there.
Sam: Damn!
Jack 3, 6, 9
Sam: Damn she fine!!

Greg: Yo man, she a 3, 6, 9!
by Dickie G March 25, 2005
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3-three years prison
6-six feet under, as in dead
9-nine months pregnant
all of my friends are either 3 6 9
by grillzluva June 9, 2006
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the act of getting the weed hook up to sell you a dime for 9 dollars , which you split three ways with 2 of your boys. you all throw 3 dollars on the blunt
yeah man i broke as fuck but lets see if george wants to 3-6-9 a blunt real quick
by charlie February 28, 2004
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