Definitions by Don Knots

Ubi Dubi 

A person or people that can't speak very good english or has a heavy accent and is hard to understand.

"If this Ubi Dubi would take the marbles out of his mouth, I might be able to understand him."

"I was talking to this Ubi Dubi on the phone and can't understand a word he says."

Ubi Dubi by Don Knots June 2, 2008