Bumpanitus is a severe STD that causes eye damage on gamers. This makes it harder to see and click heads and can result in bumpaah games or even deranking...
I have Bumpanitus, and I've deranked from immortal 3 to diamond2.
The description of a person (usually of the opposite sex) who has an overly exaggerated posterior or booty. A word discovered amongst friends and used widely in a smaller geographical area, this deserves a place amongst the Urban Dictionary.