in or to a backstage area of a theater; "costumes were changed backstage"
out of view of the public; behind the scenes; "Working backstage to gain political support for his proposal"; "many private deals were made backstage at the convention"
(figurative) people whose criticisms are regarded as irrelevant or insignificant (resembling uneducated people who throw peanuts on the stage to express displeasure with a performance); "he ignored complaints from the peanut gallery"