someone who performs sexual dirty acts involving three things: penis, anus, and mountain dew. optional(protection) but who needs it when your a dirty gio.
Julio: Man the other day i poured mountain dew into her anus and repeatedly fucked her then drank it from her ass.
Mike: isn't there a name to that?
Gio: i don't think so but now it does... DIRTY GIO!!!
Mike: isn't there a name to that?
Gio: i don't think so but now it does... DIRTY GIO!!!
by Mike Ocksbigger then yours February 16, 2009
by Mariam-Webster Knockoff November 23, 2020