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Used by rave kids to define users of needle drugs, sp. methamphetamine, cocaine, and heroin.
Yikes, let's continue to be huge jackasses and ignore tha dirty.

Look at the tracks on dirty.
by Sibilant June 26, 2004
A racial epithet referring to Mexicans.
Blonde Girl: Some dirty tried picking me up today.
Boyfriend: Fucking dirties have no respect.
by koolkalifornia October 25, 2007
A Cool Dude From Echarcha
Yaar tu bahut dirty hai
by dirty July 07, 2003