juice bar n. a methadone clinic, especially one that is seen to encourage addiction rather than cure it. (source: Double-Tongued Dictionary)
Further reading
If you’re ever near a sundial, step closer and look for a message. Many sundials bear haunting, poetic inscriptions about the brevity of life. Plus, language development in toddlers: why and how little ones pick up the exclamation Uh-oh! And a...
Michael in Aurora, Kentucky, wonders about the word peert, meaning “in good health” or “chipper,” as in Yesterday I felt kindly puny, but today I feel right peert. Heard primarily in the American South, peert, also spelled...
Not sure where you got this definition of ‘juice bar’, but it seems rather narrow given the fact that juice and smoothie retail stores are called juice bars and have been since the 1950s.
What do you mean “you’re not sure”? Can’t you see the four citations that show how it’s being used?