Steming from the word "Tutanyi" in the Bantu Language Kikuyu; the word Dangi was coined in the early - mid 90's by members of the imaginative Cahmonjoe family in the city of Nairobi, Kenya.
It's root name means, buttocks or backside.
The derived name can mean anything from the above definition to fool, idiot, useless, delinquent to an expression of pain (substituted for ouch or f***.)
"Ruta dangi gitiiini!"
- Get ur ass off of that chair!
Why did you do that? You dangi!!