to give a loud, excited shout, especially to show your enjoyment of or agreement with something

The audience was whooping and clapping. 观众们在欢呼鼓掌。

whoop it upidiom informal 狂欢，欢闹

a loud, excited shout, especially showing your enjoyment of or agreement with something

When the whoops and cheers had finally died down he started to speak. 当欢呼声平息下来的时候，他开始讲话。