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Definition of Knock-knock joke
1. Noun. One of a class of childish jokes told as a dialog, and usually including a pun, in the following form: ¹
¹ Source: wiktionary.com
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1. Noun. One of a class of childish jokes told as a dialog, and usually including a pun, in the following form: ¹
¹ Source: wiktionary.com