grow teeth
v. phr.— «If the law grows teeth, either by the power of taxation or by outlawing home taping, it could curtail the sale and import of cassette recorders and parts for their repair, thus bringing this rapidly growing field to a virtual halt.» —“Sound; Home Taping. The Legal Issue Comes To A Boil” by Hans Fantel New York Times Aug. 29, 1982. (source: Double-Tongued Dictionary)
Further reading
Sean in Oneonta, New York, says that when he was growing up in New Jersey, his family would pile in the car and set off on a surprise adventure, whether a short distance or long, and the kids would be told only that they were going on Buxtehude...
Asthenosphere, a geologist’s term for the molten layer beneath the earth’s crust, sparks a journey that stretches all the way from ancient Greece to the author of Uncle Tom’s Cabin. Plus: What the heck is a dogberg? It’s when...