20-Classic-Knock-Knock-Jokes-Photo17

 17. The Psy Knock Knock

Knock knock?
Who’s there?
Sexy!
Sexy who?
Sexy Lady, OP OP OP OPPA GANGNAM STYLE

This one only works if you actually sing the last line while doing the dance moves. If you do deliver this one successfully, we want to see it so post a video to YouTube and then tag us so we can laugh with you at your awesomeness. It’s gonna be great. We can’t wait!