What is Sto Cazzo?
1.
Italian slang phrase used while grabbing ones crotch.
Literal traslation means "This Dick" or "My Cock".
"I got your Weapon of Mass Destruction right here!"
See
2.
Literally "this dick", Italian for "my ass", expression used when someone's talking shit
"Sono più furbo di te"
"Ma sto cazzo"
"I'm smarter than you"
"My ass"
See