Top Definition
when you go on an adventure that is associated with getting high. it could be smoking before, during, or after the adventure. the means of impairment are optional but most commonly marijuana.
"ho brah, you like highventure down to da beach afta?"

"yesterday we went on hike that turned into quite the highventure"
#high #weed #adventure #pot #venture
by hawnskunk May 23, 2010
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