Top definition
The black sticky material that covers your feet and possibly areas of your leg after a long night of bar hopping. The nature and makeup of this material is still somewhat uncertain.
Seth: Omg what the hell is all this black shit on my feet
Me:Dude, you fell in the bar mud.
Seth: Dammit, I knew I shuoldn't have worn flip flops
by Tmoneysizzle December 19, 2007
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