It is when someone mumbles something you don't quite hear, but you know it isn't nice.
It's can be likened to the phrase "Mean Muggin" - When a person gives you a dirty look like they are angry at you.
It's can be likened to the phrase "Mean Muggin" - When a person gives you a dirty look like they are angry at you.
by Hawleywooood July 1, 2016
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