Surgically removing the top of a beer can (preferably a Natty Ice) with a can opener so an individual will be able to expose themself to maximum beer chugging capability.
Male 1: I don't have the steady hands or the technology to chug this beer.
Male 2: Don't be a vagine, get a can opener and turn that can into a monkey barrel.
A standard of comparison for describing how much fun something is. The "B of m" is usually considered to be less fun that the great time we are having.