My wife told me to put the cat out.

This joke is a fantastic example of wordplay, specifically an ambiguity in language that leads to a silly and unexpected twist. The humor comes from the phrase "put the cat out," which has two very different interpretations. Most people would understand "put the cat out" to mean letting the cat go outside. However, the joke's punchline deliberately misinterprets "put out" in the sense of extinguishing a fire, creating an absurd image of a feline aflame.

The everyday context of this joke is a common domestic instruction. Many pet owners regularly "put the cat out," whether it's for a trip to the litter box or simply to enjoy some fresh air. The setup plays on this familiar scenario, leading the audience to expect a mundane, relatable outcome. The punchline then cleverly upends that expectation by taking the idiom literally in its less common, fiery sense, which is what makes the joke both surprising and genuinely funny without needing a cat actually on fire.