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
Imagine telling someone how to get to your home, but without using the name of your street, or any other street within ten miles. Could you do it? We take street names for granted, but these words are useful for far more, like applying for a job or...
If you speak a second or third language, you may remember the first time you dreamed in that new tongue. But does this milestone mean you’re actually fluent? And a couple’s dispute over the word regret: Say you wish you’d been able...