Definition of "fink" []

• A contemptible person. (noun)
• An informer. (noun)
• A hired strikebreaker. (noun)
• To inform against another person. (verb-intransitive)
• To withhold promised support or participation: They said they'd help us, but then finked out. (verb-intransitive)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Maybe they routinely slept with undergrads as TA's and no one ever wanted to be known as the fink who turned them in."
• "In my family, it was considered an insult to be called a fink and even worse to be called a ratfink."
• "He don 'fink 'bout dem mooch only w'en he git dronk, or git scairt."