to drop a dime on somebody
01
to secretely gather information about a person or group in order to expose them to a person of higher authority, often for one's personal gain
أمثلة
Fearing retribution, the whistleblower decided to drop a dime on the corrupt officials to expose their illegal activities.
She knew that her friend was involved in criminal activities, but she did n't want to get directly involved, so she dropped a dime on him to the police.



























