A white persons black doppelgänger
Dude, that guy in cool runnings is totally your Bloppelganger
by TysonBo125 February 26, 2015
An anomoly that occurs when you type in a random word in the urban dictionary and it is a yet to be defined word.
In a sentence. "Oh man, I totally typed in dippygooper yesterday and nothing came up...what a bloppelganger!?!"
by AK99501 July 09, 2009