to be a laughing stock or embarrass oneself, especially due to poor pronunciation or a clumsy performance.

要是发音不准，在外国人面前开口可能会闹太套。

Internet slang transcription of the English phrase "not at all", originating from singer Huang Xiaoming's performance of a 2008 Olympic song.

他在歌中唱出的“闹太套”引起了网友的热议。