Why did the chicken cross the road?
To get to the gay guy's house. Knock, knock. Who's there? Chicken.
"Knock knock?"
"Who's there?"
"Depression"
"Depression wh-"
ME!! *runs away*
Villager: KNOCK KNOCK
Steve: Who's there?
Villager: I'm not talking anymore.
Steve: I'm not talking anymore who?
Knock knock.
Who's there?
Orange.
Orange who?
Orange you glad I didn't make a 9/11 joke?
Did you hear about the guy who made knock-knock jokes? He won the Nobel Prize.
Knock, knock.
Who is there?
Old lady.
Old lady who?
I did not know you could yodel!
Knock knock.
Who's there?
Dyslexic.
Dyslexic who?
You.
"Knock Knock"
"Who's there?"
"John."
"John who?"
John broke down into tears as his Mother's Alzheimer's had gotten progressively worse.
Why did Sarah fall off the swing?
Because she has no arms.
Knock, knock.
Who's there?
Not Sarah.
"Knock knock."
"Who's there?"
"Steve!"
"Steve who?"
Steve cries, aware that his grandmother's Alzheimer's has reached a point where she can no longer remember him.