First used in the 21st Century, South Bronx, NYC. Noun. An accidental slip and fall in which one foot slides apart from the other in either a horizontal or vertical motion, causing the possessor of said foot;to bust thier ass as they fall and tumble. Usually involves tumbling down a set of stairs, falling between the seats on a bus, or tumbling down a hill.
by BlackKnightFL March 15, 2010