A person whole take mumbling into a personality. As soon he starts talking he mumbels.
*joins discord Voice Chat* Hi how are you doiyiyiyng i...i..i..imm go0od.

*Nathen : o hi Mumbler you here again.
*Alex: can we get rid of the mumbler?
by Spitting facs August 24, 2020
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The Art of Mumble Rap condensed into a genre because the music that rappers produce nowadays is complete trash so they have to be put into a separate category.
"Did you see that mumbler by the name of Migos" "Dude Migos is a group not a person but i've heard their trash music"
by TrollveerSingh September 7, 2018
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A Booty Mumbler is slang in the mid-2000's for a thug living in the hood that snitches to their fellow thug crewmembers.
"This homie a real Booty Mumbler breh, he be snitching on me on da opps."
by Pingrett July 31, 2022
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