Players knock up before beginning a game of tennis or similar sport by hitting the ball to each other:

]]>https://definedictionarymeaning.com/topic/278524/knocks-you-upRSS for NodeWed, 17 Jun 2026 16:52:20 GMTSun, 08 Jan 2023 13:24:34 GMT60to wake someone up by knocking on the door of their house or bedroom:

]]>https://definedictionarymeaning.com/post/471271https://definedictionarymeaning.com/post/471271Sun, 08 Jan 2023 13:24:35 GMT