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
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...
A young caller from the Hudson Valley of New York wonders about his grandmother’s use of stemwinder to praise a speech she thought was excellent. In the early 1800s, people used pocket watches that had to be wound with a tiny key. Once someone...