Hi Gary, Shuffling, kicking and shaking are all different actions so any of them could apply depending on what he was doing. There was a chair with a cup of tea under it. My brother was sitting on the chair shuffling/kicking/shaking his legs so I advised him to stop so that he didn't knock the cup over.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.