air one's dirty laundry in public

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air one's dirty laundry in public (third-person singular simple present airs one's dirty laundry in public, present participle airing one's dirty laundry in public, simple past and past participle aired one's dirty laundry in public)

1. (figuratively) To reveal one's secrets to the public.

   Synonyms: air one's dirty linen in public, wash one's dirty laundry in public, wash one's dirty linen in public

• wear one's heart on one's sleeve

• “wash your dirty linen in public”, in Cambridge English Dictionary, Cambridge, Cambridgeshire: Cambridge University Press, 1999–present.
• “air wash your dirty linen laundry in public” (US) / “air wash your dirty linen laundry in public” (UK) in Macmillan English Dictionary.
• “air ones dirty laundry in public”, in Collins English Dictionary.