The best knock-knock jokes

Knock Knock! Who's there? Justin Justin who? Justin time for dinner!
Vote:
has 65.58 % from 111 votes. More jokes about: kids, knock-knock
Knock-Knock Who is there? A long penis with a naked head. Come in please we were waiting for you.
Vote:
has 65.13 % from 266 votes. More jokes about: dirty, knock-knock, sex
Knock-knock Who is there? A shattered penis with many diseases. What kind of illness? Gall, Aids, Gonorrhea, Syphilis... Enough, it is the best present for my mother in law.
Vote:
has 65.11 % from 235 votes. More jokes about: black humor, health, knock-knock, mother in law, vulgar
Knock knock. Who's there? Cash. Cash who? Yes! I've always known you were a bit nutty!
Vote:
has 64.88 % from 18 votes. More jokes about: knock-knock, mean, money
Knock, knock. Who's there? Kanga. Kanga who? Actually, it's kangaroo!
Vote:
has 64.73 % from 89 votes. More jokes about: animal, knock-knock
Knock Knock. Who's there? Opportunity. Don't be silly - opportunity doesn't knock twice!
Vote:
has 64.05 % from 143 votes. More jokes about: knock-knock, life
Knock knock. Who's there? Urine. Urine who? Urine trouble if you don't open the door.
Vote:
has 63.82 % from 35 votes. More jokes about: disgusting, knock-knock
Knock-knock Who's there? Fuck. Fuck who? You.
Vote:
has 62.61 % from 13 votes. More jokes about: knock-knock, vulgar
Knock, Knock Who is there? A long erected penis with an eye on my head and some wools in my feet. What do you want? Is there any body to suck me? I want to weep.
Vote:
has 62.58 % from 204 votes. More jokes about: dirty, knock-knock, sex
One day a man heard knocking at his door. He opened the door only to see a small snail sitting there smiling. The guy picked the snail up and threw it as far as he possibly could. Three years later he heard knocking at the door again. He opened the door to see the snail. The snail said, "What the hell was that all about?"
Vote:
has 61.48 % from 150 votes. More jokes about: animal, knock-knock