1 definition by Gangsta in Japan

Top Definition
Refers to the finest quality marijuana / ganja that is grown in the fields in Okinawa in Japan, usually with a deep dark green color, and strong odor. The effect of this substance lasts a least a minimum of 6 hours. Many have claimed the effect to have stayed with them for an entire day.
A gram of Happa for 40 bucks.
by Gangsta in Japan November 18, 2007

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