circuit-breaker law
n.— «The circuit-breaker law calls for 75 percent state reimbursement of the amount of money it costs to educate a student minus the $29,320. For example, subtracting the $29,320 from a total cost of $100,000 means the town should receive 75 percent reimbursement for the $70,680 difference between the two figures.» —“‘Circuit-breaker law’ worries schools” by Bill Fortier Worcester Telegram & Gazette (Massachusetts) Oct. 28, 2003. (source: Double-Tongued Dictionary)
Further reading
While reading Great Expectations (Bookshop|Amazon) by Charles Dickens, a listener in Arlington, Texas, is surprised when one of the characters inherits some money, which Dickens describes as a cool four thousand. Were they really using cool that way...
Understanding the varieties of conversational styles can mean the difference between feeling you’re understood and being insulted. “High-involvement” speakers interrupt or talk along with someone else to signal their enthusiasm...