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English definition of “look who's talking!”
look who's talking!
(alsoyou're a fine one to talk!, alsoyou can/can't talk!, US alsoyou should talk!)informal
›something you say when someone criticizes you for something that that person does himself or herself: I'm lazy? You're a fine one to talk!Lies, lying and hypocrisyDishonest peopleInterjectionsSounds used as interjections