A large, sometimes burlap, bag/sack containing an ounce (28 grams) or more of marijuana.
Derek: "When I went to pick up some weed from my dealer I spotted a phat sack layin in the back seat."
Mitchell: "How much was in it?"
Derek: "Atleast 2 ounces!"
by The Big DC August 19, 2005

5 Words Related to Phat Sack

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