catchdog
n.— «Catchdog: A term guards use to describe officers who will beat up an inmate the brass wants subdued, without being given a direct order to do so and without filing paperwork. The term was previously used to describe inmates who, acting on orders from officers, beat up other inmates to keep them in line.» —“What the lingo means” by Adam C. Smith, Jo Becker St. Petersburg Times (Florida) Dec. 30, 1999. (source: Double-Tongued Dictionary)
Further reading
People who hunt treasure with metal detectors have a lingo all their own. Canslaw means the shreds of aluminum cans left after a lawnmower ran over them. And gold dance? That’s the happy jig you do if you find something far more valuable than...
Debbie from Crawfordsville, Florida, says that when she and her husband reach an impasse while working on something, they’ll say Let’s grok about it, which they use to mean “Let’s think about it.” Grok was coined by...