BLOW THE WHISTLE (ON SOMEONE)

blow the whistle (on someone): translation

blow the whistle (on someone)

1. Fig. to report someone's wrongdoing to someone (such as the police) who can stop the wrongdoing. (Alludes to blowing a whistle to attract the police.) •

The citizens' group blew the whistle on the street gangs by calling the police.

•

The gangs were getting very bad. It was definitely time to blow the whistle.

2. Fig. to report legal or regulatory wrongdoing of a company, especially one's employer, to authorities. •

She was fired for blowing the whistle on the bank's mismanagement of accounts, but she then sued the bank.