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."
by Don Knots June 2, 2008
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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."
by M Jackson May 30, 2008
Get the Ubi Dubi mug.