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1 definition by Old Man Jasper

one who is a Professional Bro, who not only excels but pillages in all forms of partying, including, but not limited to: drinking, smoking, smoking cigarettes, talking to girls, handling liquor, and getting out of shit while your drunk.
"Gotta hand it to mitch, kid was a brofessional tonight."
by Old Man Jasper November 01, 2011