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!!!
by Mike Ocksbigger then yours February 16, 2009
Get the dirty gio mug.
When you jerk off to italian people humping eachother with rocks.
"I just had a Dirty Gio last night"
by Mariam-Webster Knockoff November 23, 2020
Get the Dirty Gio mug.