2 definitions by noyoudontknow

Top Definition
To smoke weed
Gary: "Yo we gonna go green tonight?"
Marcus: "Hell yeah im rollin up a joint now"
by noyoudontknow June 19, 2009

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Someone who smokes alot of weed daily. You see them frequently and you can smell their presence when their around hence calling them the "Grim Reefer".
Fred to Ethan after math class: "Dude I could smell the Grim Reefer behind us...dude likes to light up before class every day".
by noyoudontknow February 06, 2010

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