gag2 noun [countableC]1 informalJOKE a joke or funny story 玩笑,笑話He told a few gags. 他講了幾個笑話。
It was a bit of a running gag (=a joke which is repeated) in the show. 這是該檔節目裏一個有點老掉牙的笑話。
2. SCPREVENTa piece of cloth put over someone’s mouth to stop them making a noise 封口布