Knock knock.
Who's there?
Knock knock.
WHO'S THERE?
*Starts putting up hand signs.*
Deaf Knock-Knock
Categories
Explanation
Experiment
Explain Bear
Hey, dummy! The joke is that the person can't talk so they use sign language. Get it now? I didn't think so, because you have the brain the size of my big toe and I have 5 of those!