slang for marijuana; refers to a joint, bowl, plant, or sac of marijuana
"Those young punks smoke the reefer"-Coach J
by PLAYBOY November 10, 2003
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weed/marijuana/grass/pot....whatever you wanna call it
by letsgetstoned June 17, 2005
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1) (Archaic) a marijuana cigarette. First attested in songs and literature from Harlem in the 1920s and 30s.

2) In modern usage: marijuana, not necessarily in the form of a cigarette.

3) A refrigerated truck or trailer.
Have you ever met that funny reefer man (reefer man)
Have you ever met that funny reefer man (reefer man)
If he say he swam to China
And he sell you South Carolina
Then you know you're talking to that reefer man.

- Cab Calloway, "Reefer Man"
by Fat Yeti September 14, 2010
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"If reefer really makes you happy nigga blaze it"
by Kezza213 July 22, 2006
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1) slang word for marijuana... pretty much the best "drug" in the world

2) The reference of the dormitory hall "reefe" at Salve Regina Univ.
Jon - "Yo, bitch, u goin back to Reefer Hall?"
Callie - "Yeah after I finish smokin this reefer..."
Jon - "Damn girl, gimme a hit of that"
Callie - "No bitch go find ur own"
by Pot Queen April 14, 2005
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