gag2 noun [countableC] 1 informalJOKE a joke or funny story 玩笑,笑话 He told a few gags. 他讲了几个笑话。
It was a bit of a running gag (=a joke which is repeated) in the show. 这是该档节目里一个有点老掉牙的笑话。
2. SCPREVENTa piece of cloth put over someone’s mouth to stop them making a noise 封口布