A hard ball shaped turd that fires out of the anus at a considerable speed when pushed out of bum crack making a similar sound of a pebble being thrown into a lake.
Bumgunji is an affectionate term used in northern England to describe a dithering,strange, uncommunicative and isolated male.Its origins are not clear, though many believe it stems from the South Asian community of Sheffield in South Yorkshire.
Q: "Whats up with your friend, he's a bit weird isnt't he?"
A: "Don't worry man , he's just a bumgunji, don't let your woman near him though"