Knock, Knock! Who's there? Doctor Doctor who? That's a great TV show, isn't it?
Knock Knock Who's there! B-4! B-4 who? B-4 you take the diploma, shake the dean's hand.
"Have you heard my knock-knock joke?" asked the blonde. "No," said the brunette. "Okay," said the blonde, "you start."
One night, there was a knock on my door... i open it and no one was there every night I would get the same knock and still no one was there... Untill the morning I was just making myself some tea as a person knocks on my door it was a black man he walk in and stole my tea .... i said to myself did he just mug me .... I still didn't know who was knocking on the doors at night Untill one night I opened my door and there was a floating mug I was still confused.
Knock-knock. Who is there? Stopwatch. Stopwatch who? Stopwatch you're doing and have a happy Valentines Day!
Knock knockrn Who's there? Woman who? Wo-man you where so nice to let me tell you this joke Knock knock. Who's there? Man. Man who? Man you where so nice to let me tell you this joke.
Knock knock. Who's there? Allahu Akbar. Allahu AK- BOOM!!!
Kock, Knock Who is there? Suck, suck. Suck, suck who? After a long pause with a low voice: My dick; dear!
Knock knock! Who's there? Ice cream! Ice cream who? Ice cream land on you!
Knock knock? Who's there? Hitler! Hitler who? You Know, the man who kills jews.