“A man is sitting at home watching TV when he hears a knock at the door. Begrudgingly, he hits pause on the remote and makes his way to the door. Once at the door, he hears a woman's voice from outside. Woman: Knock knock! Man: Who's there? Woman: Cliffhanger. Man: Cliffhanger who? The man stood at t…”— SirEugeneKrabs, reddit.com
“Knock Knock. Who's there? Cash. Cash who? No thanks, but I'll take a peanut if you have any.”— dagodon, reddit.com
“Knock knock! Who's there? Felix! Felix who? Felix my ice-cream again I'll smack 'im!”— nofelix, reddit.com
“Knock Knock. Who's there? Interrupting "Completely Uncalled For." Interrup- (at this point, punch/slap the victim in the face and make a quick getaway)”— fkwillrice, reddit.com
“Knock knock. Who's there? Banana. Banana who? Knock knock. Who's there? Banana. Banana who? Knock knock. Who's there? Orange. Orange who? Orange you glad I didn't say 'Banana?'”— SlowMovingTarget, reddit.com
“Knock knock. Who's there? Godzilla. Godzilla who? Just kidding, Godzilla wouldn't knock.”— Quellman, reddit.com
“Knock knock Who's there? Juwanna Juwanna who? Juwanna give me an A in this class, right?”— donquixote235, reddit.com
“Knock knock Who's there? Dwayne Dwayne who? Dwayne the bathtub, I'm dwowning!”— donquixote235, reddit.com
“Knock Knock. Whos there? Alzheimer's Patient. Alzheimer's Patient who? Knock Knock.”— KillerGorilla, reddit.com
“Knock knock? Who's there? Little old lady! Little old lady who? Hey, I didn't know you could yodel!”— foot_foot, reddit.com
“Knock knock! Who's there? I got up. I got up who? Um gross, go take a shit then...”— Owltie, reddit.com
“Knock Knock. Who's there? Woo. Woo who? Don't get so excited, it's just a joke.”— Flipper1219, reddit.com
“Knock knock. Who's there? Jesus. Jesus who? Knock knock. Who's there? Jesus. Jesus who? Knock knock. Who's there? Jesus. Jesus who? Jesus being denied three times in the form of a knock knock joke.”— CuddlesHucklebunny, reddit.com
“Why did the chicken cross the road? To get to the village idiot's house. Knock, knock. Who's there? The chicken!”— angelic_devil, reddit.com
“Knock knock. Who's there? Daisy. Daisy who? Daisy me rollin, they hatin...”— ducksliveonthemoon, reddit.com