When sombody talk's shit about some body, you or your homie's shit that usually isnt true.
That nigga be runnin they mouth again!
by W.S Soulja August 29, 2006
Get the runnin they mouth mug.
braggin and talkin shit you cant back up, if you run your mouth you'll most likely end up being beaten for it
damn dat fuck up been rollin his mouth again, ima fuck dat nigga up
by gangsta god January 12, 2005
Get the runnin your mouth mug.