What is Mumble Bum?
1.
Basically a mumbly sort of bum. A derogatory term for someone who does not pronounce their words effectively.
I can't figure out if I ordered a ticket to France or am going to dine on a pair of pants as the travel agent was a mumble bum.
See
Random Words:
1.
One who is slow or lagging in the use or understanding of any/all electronic devices. Devices include but are not limited to; computers ..