do a

(redirected from do a something)

do a (someone)

To act as someone or something else usually does. Sally did a mom and hit the trashcans while backing out of the driveway.

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.