What does Big Mumba mean?

Big Mumba meaning in Urban Dictionary

1) a very whack e-mailer2) someone who had been once 'holier than thou' but is now simply 'more sloppy than thou'3) A modern-day John Rolfe4) A synonym for 'dalmation'5) an individual who is really annoyed during break which they spend hours seeking averagely funny things pertaining to their friends' names but never ever understands that he/she can only develop their very own joke