Another description for that old Science teacher you used to have in grade nine with his pants up to his nipples that always smiled at the children. Yeah, that's the one.
"Dude, Mr. Kenderdine's smiling at you again..."
"What the fuck? Like, I've never been in his class before. What a pedo!"
"Pfft, that's a good thing. You wouldn't BELIEVE what happened to poor little Timothy last month..."