pronoun, expression · a vulgar interjection used as an intensifier, derived from the phrase 'his mother', often expressing extreme annoyance or anger.

他妈的，这到底是怎么回事！

noun, pronoun · his mother (often used in swearing)

他妈的！

pronoun, expression, adverb · vulgar interjection used to express anger, frustration, or emphasis, functioning as a particle or expletive.

他妈的，这车又坏了。

pronoun · a colloquial, vulgar interjection used to express anger, impatience, or frustration; sometimes used as an intensifier.

你他妈笑什么呢？