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A nickname meaning: hairy, or long hair, given to one of the members of the Filthy Crew, Alex. Grenas has been known to be the king of all filthies or the filthiest of all filthies. His activities include getting high, and coining cloquial terms for other members of the filthy crew of the 805.
"Hey grenas you filthy girl you need to cut that hair."
"Grenas you need to grow your hair out again you Filthy."
by BilltheGrill February 02, 2009
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