When you giving a chick backshots while playing Counter-Strike and eating goldfish off her ass.
Guy 1: “Yo dude remember that girl I was with last night? Well I pulled a Dirty Cosimo on her”
Guy: “No way that’s sick! Yo add me on steam so we can play.”
A good looking boy that is from Italy. Most likely from Sicily, he knows people in the Italian mafia and many girls are attracted to him but are shy to say. He will most likely become successful at an older age. Is considered very funny. Cosimo usually has very nice eyes aswell.
Sarah “I saw Cosimo today”
Madeline “Your so lucky”