switcheroo
noun/ˌswɪtʃəˈruː/
/ˌswɪtʃəˈruː/
[usually singular] (especially North American English, informal)- an act of exchanging something or changing it completely so that it is the opposite of what it was before, especially in an unexpected way
- Meanwhile, her accomplice pulls a switcheroo, replacing the diamonds with paste-and-glass.
Check pronunciation:
switcheroo