The physical act of letting oneself go. Can often be witnessed by young beautiful people spending time at Grandma's.
by BigBadBrownyBrown September 8, 2011
Get the Run-A-Muk mug.Saying good-looking bye to any and all ambitions, morals or standards. Going out usually at night with little to no people and reaping havoc on society as a whole
Let's go runamuk tonight , I haven't been out and about in forever. Been dying to get into some trouble
by The1whoshaltnotbenamed September 25, 2017
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