do a

do a (someone)

To act as someone else has or usually does. Sally did a Mom and hit the trash cans while backing out of the driveway. Don't do a me and sign the contract before you read it—I'm still paying for that mistake. A: "Wait, did I fall asleep?" B: "Yep, you did a Dad and passed out five minutes into the movie."

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do a —

behave in a manner characteristic of a specified person or thing. informal

2001 Times One reporter even got the brigadier in charge to ‘do a Blair’ and come over all emotional while discussing the cull.

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