Whats the funniest knock-knock joke you've ever heard?

One of my favorites is the old—

Knock, knock.

Who’s there?

That’s right.

the one that says banana three times, and the you say orange, and when they say orange who, you say orange you glad i didnt say banana…...something like that

I’ll tell you my favorite, but you have to start it.

guh. I thought I had one

Knock, knock.

Who’s there?

Interrupting cow.

Interrupting c—

MOO!!!!!!!!

Knock Knock!
Who’s there?
Doris.
Doris, who?
Doris locked, that’s why I had to knock!

Knock knock.
Who’s there?
Interrupting sheep with an identity crisis.
Interrupting shee-
MOO!!!!!

(must be told after EmpressPixie’s version)

@astrochuck. knock knock

Who’s there?

Atch

Oh. Now I get it. [DOH!]

@AstroChuck…I heard that exchange between Vera and Flo on Alice when I was a kid. I’ve used it every chance I get and nobody has ever heard it before. I thought I had a pat answer for this thread until I saw yours. I guess what I’m trying to say is that you can go and Removed By Fluther Moderators

Knock Knock
Who’s There
KGB
KGB Who?
(slap the person) Ve vill ask the qvestions around here.

It was on The Office the other night. I’m not so sure it really is that funny unless you saw the show…..

@critter1982
Oh yes! I saw that one, that was hilarious! Nice one.

Knock Knock
whos there
interrupting starfish
interrupting starfish wh—-
(slap them in the face with your open “starfish” hand)

this will make you laugh AND get you some weird looks!

knock knock, who’s there? knock knock, who’s there? knock knock, who’s there? Continue until the person is getting rather annoyed and finally knock knock who’s there? Someone who can’t reach the doorbell!

knock knock,
who’s there?
lettuce
lettuce who
lettuce in will you!

knock knock
who’s there?
Idunup
dunup who?
thought there was a funny smell around!

knock knock
whos there
whos whos
whos whos whos
Whos!! Whos!! Mine!!

Stupid