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1.
A humorous term of saying "My friend" or "dude!"

Mostly used by street kids.
Friend A:"Yo, how's it going my doobie!?"
Friend B: "I'm gonna go chill with Lance."
Friend A: "Who is Lance?"
Friend B: "That's my Doobie!"
Friend A: "Alright, i'll see ya later, doobie!"
by Jomairy August 09, 2005