"Knock, knock.Who's there?" very long pause... "Java."
Knock knock! Who's there? Yah! Yah who? Naaah, bro, I prefer google.
What kind of doctor fixes broken websites? A URLologist.
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.
What does the informatics teacher scream when he’s drowning? - F1, F1, F1...
Knock, Knock! Who's there? Doctor Doctor who? That's a great TV show, isn't it?
Knock knock. Who's there? Kenya. Kenya who? Keeeenya feeel the loooove tonight?
Womens are like computer virus... they ENTER your life... SEARCH your pocket... SHIFT your balance ... CONTROL your life... when you become an old version DELET you from the system
Knock knock. Who's there? Urine. Urine who? Urine trouble if you don't open the door.
Knock, knock. Who's there? Owls say. Owls say who? Yep, that they do.
Knock, knock! Who's there? Opportunity! That is impossible. Opportunity doesn't come knocking twice!