Explore our great collection of knock knock jokes that have the response 'Teheran' to the classic prompt, 'Who's there?
Knock, knock!
Who's there?
Teheran.
Teheran who?
Teheran and look me in the eye!
Knock, knock!
Who's there?
Teheran.
Teheran who?
Teheran up the road!