是clown。
解释：
clown 英[kla?n] 美[kla?n]
n. 丑角，小丑; 乡下人，笨拙粗鲁的人; 经常闹笑话的人;
v. 扮小丑; 闹笑话; 说笑话，逗趣;
[例句]Bruno clowned and won affection everywhere.
布鲁诺很会耍活宝，到哪儿都受到大家的喜爱。
He was laughing, the clown of the twosome.
他在笑，二人搭档中逗人乐的那个。
I still think I could do a better job than those clowns in Washington.
我还是认为自己会比华盛顿的那些蠢货干得好。
The clown was wearing a false nose.
小丑戴着一个假鼻子。
The clown gave a very funny performance.
丑角的表演非常滑稽。