when somebody say something stupid or do something stupid
(A girl lies about going with a whole bunch of boys)
Female: She dirty!

or
Female 1: I'm famous all you hoes thinking of me
Female 2: You dirty! Nobody dont even like you.
by kween980 April 05, 2010
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An insult after you completely wreck someone. Can also be said as "You just got did dirty" It could be as simple as winning rock-paper-scissors, or as complex as beating someone in Madden. Said enough times in sequence and it can really be annoying.
Jimmy: Broh, I'm gonna score a Touchdown on this play!

Ron: Shut up, no you won't.

Jimmy: I told you I would! I just did you dirty right there.
by GulleyBreeze October 16, 2010
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