walking on a mattress
n.— «Walking on Mattress…Exhilarated by drugs.» —“Slang of Drug Addicts” by Canny; David Rosenberg in New York City Lexicon of Trade Jargon , 1938-39. (source: Double-Tongued Dictionary)
Further reading
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...