I was walking home alone from school and I was wearing a dress. A dude drove by and yelled, “Nice tits.” Embarrassed and enraged, I screamed after him, “Suck my dick.” Sure, it didn’t make any sense, but at least I don’t hold in my anger.
Tina Fey (on her first catcall)
So this is the best response I’ve heard for a catcall. Especially given she was in middle school at the time.