a humorous use of a word or phrase that has several meanings or that sounds like another word双关语,语义双关的俏皮话
She made a couple of dreadful puns.她说出了几个令人不快的双关语。
This is a well-known joke based on a pun: "What's black and white and red (= read) all over?" "A newspaper."这是一个有名的一语双关的俏皮话,“什么东西通篇有黑有白又有红(英文中‘红’音同‘读’)?”“报纸。”