出洋相,中文俗語,意思是指在人前出丑,鬧笑話。與英文習語make an exhibition of oneself意思相近,表示to behave so foolishly in public that one excites notice or ridicule。

例句:

他在結婚典禮上喝醉了,在眾人面前出了洋相。

He got drunk at the wedding and made an exhibition of himself in front of everyone.