1 definition by heycaveman

Top Definition
An amount of marijuana sufficient to pack the bowl of a smoking apparatus. Depending on bowl size, it's usually less than a joint's worth.
Dude 1: Dude, roll a fatty!
Dude 2: Sorry dude, I got to make this bag last 'til the weekend and I only got a couple of bowlpacks left.
by heycaveman November 05, 2010

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