0 an unexpected change, especially one in which one thing or person is quickly or secretly exchanged for another:
The singer's late-career switcheroo is not unusual; many long-lived acts change things up occasionally.
Scientists who took part in the show said the producers pulled a switcheroo so they were not doing the interviews they thought they had agreed to.
The non-cute sister Blanche used to be jealous of Jane! But then there was a switcheroo. Blanche became a big movie star and Jane became a nobody.
The movie is premised on a breathtaking switcheroo, a shameless piece of misdirection.
