When you're suspicious of a person who looks like they might be on a mission to rape. Sometimes equipped with a sheisty mustache, those under suspicion are usually seen showcasing a chilling pedosmile.
1. "Dude, what the hell is that guy smiling at? I'm rapespicioius as fuck...."
2. "You need to shave that... I would be rapespicious of you if I saw you with that..."