Knock-knock KidsKnock, knock. Who’s there? Lettuce. Lettuce who?Lettuce in before the weather changes.Why it works: “Lettuce” sounds like “let us,” completing the request to come inside.Copy jokeSave▲ 0Topics connected to this jokeCleanFoodFood Jokes for KidsFood PunsFood Puns for KidsKidsKnock-KnockKnock-Knock Jokes for KidsPunPuns for KidsWeather Jokes for KidsWeather PunsWeather Puns for KidsWeather