ratfinks

/ˈrætˌfɪŋks/
noun
  1. Informal, offensive term for a person who is considered a traitor, informer, or despicable person.
    • Nobody trusts a ratfink who sells out their friends.
    • He called his former partner a ratfink for telling the police about their plans.
    • The movie's villain was a sneaky ratfink who betrayed everyone.
Antonyms
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