One of a class of childish jokes told as a dialog, and usually including a pun, in the following form:

Any joke of the form "How many X does it take to change a light bulb?" followed by a witty riposte, where X is some usually stereotypical class of people.

plural of knock-knock joke

plural of knock knock joke

Alternative spelling of knock-knock joke

plural of light bulb joke

(theater, film, television) A joke that intentionally draws attention to the illusion of separation between the audience and the fiction itself.

plural of fourth wall joke

A situation where it is very easy to make jokes or the humor of a situation is self-evident.

Whenever a person is joking, they are actually disguising thoughts and emotions, either subconsciously or deliberately.