1 definition by 1q2w3e4r5t6y8u

Top Definition
P5
Point 5, 0.5 grams...used commonly by stoners.
Guy1: Yo how much weed you got left from last night?

Guy2: Ummm only about P5.
by 1q2w3e4r5t6y8u July 10, 2009
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