jeffers
n.— «Jeffers: An inmate term for snitches or brown-nosers. Jeffing is the verb. The origin of the term is unknown.» —“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...
A Winter Dictionary (Bookshop|Amazon) by Paul Anthony Jones includes some words to lift your spirits. The verb whicken involves the lengthening of days in springtime, a variant of quicken, meaning “come to life.” Another word, breard, is...