Top Definition
An adventure involving a girl's Ass
John: So what'd you do last night?
Tim: I had an assventure with Jennifer last night.
by Bloxman830 August 08, 2013
1 more definition
to explore or venture in to ones ass , to enter ones buttocks in search of what ever peaks the searchers interest .
to participate in a Assventure , he or she must bend over and begin to explore ones anal area.
by a sneaky snake March 13, 2015

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