look up any word, like ratchet:
An inaudible slurring style of speech which is often accredited to having drank one too many.
Paul: Last night, after Mark had one too many Coronitas, he was talking all mumbly-bumbly for the entire ride home...

John: Wow, what a lightweight...
by BigHairPaul May 26, 2008

Words related to Mumbly-Bumbly

drunk drunk talk mumbly bumbly slur slurring