What does belly bump belly bump mean?

belly bump belly bump meaning in Urban Dictionary

a fruitful device employed by portly police force officials to achieve entry to areas by thumping individuals off the beaten track using their belly. 1 macho posturing; a fat people's pissing contest2 the opening manuvures in sumo wrestling3 the orifice manuvures in a dispute between an umpire and a baseball manager before he gets ejected