1 definition by Penis McGloff
To inhale and exhale the fumes of burning cannabis plant material at a rate approximately double that of the average consumer (see: 420)
Neophyte: Excuse me, my good stoner, but how, specifically, might one "840"?
840 Veteran: JUST SMOEK WEEED TWICE AS HARD!!!!111
840 Veteran: JUST SMOEK WEEED TWICE AS HARD!!!!111
by Penis McGloff September 16, 2006