A Dirty Sofia is when 4 or more men fight over this one girl in order to take her to prom. Dirty Sofia’s occur when this one girl is known as for hitting it off with men
a Dirty Sofia is when four or more lesbians go out naked in public covered in pineapple juice pretending to eat each other's shit while sucking strangers fingers and asking them if they wanna go snort cocaina together.
"did you hear about the dirty sofiathat happened yesterday at the park? shit was crazy brah"
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.
FRIEND A: "Did you just take a stealthie of me?"
FRIEND B (turning phone around): "no I was just using snapchat's new filter, see?"