One who knows he is "the man" and is "the man". Also refering to the ways of a Bro. Also, someone (usually a man) that has sick flow, awsome swag and smokes dope tree.
Groovemeister, found on the now closed down "fat-pie" forums of David Firth(Creator of salad fingers), and later the "Fet-paj" forums of Joakim Danung. Groovemeister is an irritable character. A "fat-backed retard" some may say. Also, this subject has aspergers and is prone to bouts of anger due to his inability to socially interact, and is known to over analyise posts by using many quotes and general rants, deemed tl;dr.