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.
by Rob Mercer January 21, 2006
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Get the bum-snog mug.After doing a shit and not wiping properly, when your butt gets sweaty it produces a gravy like residue, Leaving marks on your underwear.
by Jimmywhack August 23, 2016
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