The colorless, odorless gas used to fuel sausage, frat, and/or dude parties.
Dang there are way too many dicks on the dancefloor. I think this party's running on bropane.
by bongheaddudes June 19, 2010
The gas that accumulates when your in an enclosed area with one or more of your bros and one or more of you is cutting them loose.
Hey dude are you selling Bropane and Bropane accessories?
by the smiler October 28, 2014