Top Definition
A general measurement of how much of a boss a bro is. Can be in regards to alcohol tolerance, success with the ladies, and/or athletic ability. Primarily dected by use of either a keg of natty ice or a bossometer.
Dude after last nights insane bash the crew team's collective bossisity has got to be a solid 9.4.
by Grover112 March 01, 2010

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