Top definition
A person, usually male, who is dirty, awkward, sneaky, dorklike, or cannot surf well. They tend to wear gnar-gnar shred brands to disguise their lack of talent. Dirtgirts do not shower often, and generally have no interest in following social norms.

Alternate definition: A dirty ole girt bag
Brett and Bryan: That kid is a dirtgirt. He can't even stand up!!!
by J.Burgalicious December 21, 2010
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2
someone who doesnt give a fuck. skateboards or does some extreme sports. usually doesnt fit in with the "croud". kickin it with some beer and buds.
"Yo, that kid is chillin" "Yeah hes a dirtgirt/"
by Uncle Luke of Fl May 03, 2012
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