bang in
v.— «In Boston, when one “Bangs out,” it means to call in sick for your shift. Conversely, the police “Bang IN.”» —“Question” by gary.saffer@mondo.org (Gary Saffer) Usenet: sci.optics.fiber Jan. 18, 1998. (source: Double-Tongued Dictionary)
Further reading
Ever wonder what medieval England looked and sounded like? In Old English, the word hord meant “treasure” and your wordhord was the treasure of words locked up inside you. A delightful new book uses the language of that period to create...
Among ham radio enthusiasts, the word Elmer has become an affectionate term for an experienced ham radio operator who mentors a novice. It’s also used as a verb: Elmering someone means helping a new ham. The term was coined in a 1971 magazine...