Definition of drop a (or the) dime on in English:

drop a (or the) dime on


See drop

see dime
  • ‘They're scared to death that if anybody finds out that they dropped the dime on their cousin, or a gang member, or a drug dealer, they're going to die.’
  • ‘He drops a dime on his friend in a heartbeat, since he still wanted the money.’
  • ‘She's going to drop a dime on him to the employer, and he's going to lose his job.’
  • ‘How exactly does dropping the dime on other Americans qualify as service?’