"Knock Knock" joke

knock knock
whos there
knock knock
whos there
knock knock!!
whos there?
knock knock!!
whos there?
knock knock!!
whos there?
knock knock!!
whos there?
knock knock!!
whos there?
knock knock!!
whos there?
knock knock!!
whos there?
knock knock!!
whos there?
knock knock!!
whos there?
knock knock!!
whos there?
knock knock!!
whos there?
knock knock!!
whos there?
knock knock!!
whos there?
knock knock!!
whos there?
knock knock!!
whos there?

(I think you get the picuture...)

This joke really annoys the heck out of people -- I suggest you teach it to your three year old nephew before sending him home. THAT should take care of some old sibling rivalries!

DO NOT teach it to a child at the beginning of a long car or airplane trip.