The best knock-knock jokes

Knock, knock Who's there? I'm Mr, Farter. Mr, Farter who? I've brought some insecticides to give to your mother in law!
has 60.84 % from 125 votes. More jokes about: black humor, death, knock-knock, mother in law
Knock knock. Who's there? Déja. Déja who? Knock knock.
has 59.89 % from 46 votes. More jokes about: knock-knock, life, memory
Knock Knock! Who's there? Zany Zany who? Zany body home?
has 59.82 % from 138 votes. More jokes about: kids, knock-knock
Knock knock. Who's there? Urine. Urine who? Urine trouble if you don't open the door.
has 59.75 % from 37 votes. More jokes about: disgusting, knock-knock
"Knock, knock.Who's there?" very long pause... "Java."
has 59.13 % from 178 votes. More jokes about: IT, knock-knock
Knock, Knock! Who's there? D umbbell. Dumbbell who? Dumbbell doesn't work so I had to knock!
has 58.58 % from 50 votes. More jokes about: knock-knock
Knock knock. Who's there? Cash. Cash who? Yes! I've always known you were a bit nutty!
has 56.98 % from 23 votes. More jokes about: knock-knock, mean, money
Knock, knock! Who's there? Opportunity! That is impossible. Opportunity doesn't come knocking twice!
has 56.50 % from 42 votes. More jokes about: knock-knock, life
Knock-knock. Who's there? To. To who? No, to whom.
has 55.44 % from 99 votes. More jokes about: knock-knock, nerd
Peter approaches the gates of Heaven. "Knock knock," says Peter. Miraculously, someone answers him. "Who's there," a voice in the distance asked. "God," says Peter. "God who," asked the voice? "GOD DAMMIT open these gates! I've been a good neighbor, loved my wife and lost my virginity, twice!"
has 55.00 % from 43 votes. More jokes about: communication, dirty, heaven, knock-knock, sex
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