Top Definition
A person that is 1000 times more dirtball than your average dirtball.
Dude, I can't believe that guy Chris is such a Gigadirt. He was talking to your mom about snatchos.

Man that guy that just got evicted from that nasty ass trailer park is a frickin gigadirt!
by Adam Hall January 08, 2007
5 Words related to GigaDirt

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