thigh-slapper

That joke about the lost dog was a real thigh-slapper; everyone at the party burst out laughing.

用法提示：thigh-slapper 是名词，意为极其好笑的笑话，前面用 a real 加强语气。

When my uncle told a thigh-slapper at dinner, I nearly choked on my drink.

用法提示：thigh-slapper 作单数可数名词，用 a 修饰，表示一个非常搞笑的笑话。

Her speech was full of thigh-slappers, so the audience could not stop smiling.

用法提示：thigh-slappers 是 thigh-slapper 的复数形式，指多个极其好笑的笑话。