Like many English words, tip — as in, the gratuity you leave to the waiter or the bellhop — doesn’t originate with an acronym such as To Insure Promptness. This type of tip goes back to the mid-18th century, when thieves would tip, or tap, someone...
If something’s clean as a whistle, that doesn’t mean it’s shiny and spotless like a silver whistle in a referee’s mouth. The idiom refers to a whistling sound: That piercing noise is super-bright and finely edged on the ear. This is part of a...
