RAT (SOMEBODY) OUT


Meaning of RAT (SOMEBODY) OUT in English

rat somebody ↔ out American English informal ( see also ↑ rat )

if someone rats you out, they are disloyal to you, especially by telling someone in authority about something wrong that you have done:

You can’t rat out your teammates.

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.