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1 definition by wtfpwned

 
1.
talking shit, stirring shit, letting your mouth run off without thinking.
"Stop running your mouth like a bitch!"
"Dave has been running his mouth about me to everyone."
"ZOMG STFU NUBBIE DNT RUN YUR MOUF AT MEH!!1!11111"
by wtfpwned October 17, 2006
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