Pronunciation: (fingk), [key] Slang.
1. a strikebreaker.
2. a labor spy.
3. an informer; stool pigeon.
4. a contemptible or thoroughly unattractive person.
1. to inform to the police; squeal.
2. to act as a strikebreaker; scab.
3. fink out,
a. to withdraw from or refuse to support a project, activity, scheme, etc.; renege: He said he'd lend me his motorcycle, but he finked out.
b. to become untrustworthy.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.