Just mess up the guy that want's to do something with you in order to escape it.

Random: "Hello, I see your alone in your house." Me: "Are you the pizza delivery guy?" Random: "What? No!" Me: "Who are you then?" Random: "It's a secret and i wont tell you." Me: "Where are you!?" Random: "Hehe, I'm in your closet." Me: "Oh, Are you male or female? Random: "Boy.." Me: "Oh you're gay then... Random: "Wha- Me: "No no.. Don't need to say. My cousin is gay as well. Anyway where are you?" Random: "I SAID I'M IN THE CLOSET!" Me: "Why not talk to me physically?" Random: "Aight I'm done."