Knock Knock joke: *Knock*Knock* Who's there? The interrupting doctor. #56

*Knock*Knock* / —"Who's there?" / —"The interrupting doctor" / —"The interr...?" / —"You have diarrhea"
*Knock*Knock* / "Who's there?" / "The interrupting doctor" / "The interr...?" / "You have diarrhea"
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