rubber time
n.— «Hotel staff told me the power would come back on at 9 p.m. But kind of like Chilcotin time, Vietnam has what is known as rubber time. So it was actually closer to 10 p.m.» —“Blackouts, bicycles, and a chance B.C. meeting” by Karen Longwell in Vietnam Wiliams Lake Tribune (British Columbia, Canada) Mar. 15, 2007. (source: Double-Tongued Dictionary)
Further reading
Why is boxing called the sweet science when it’s obviously such a bruising sport? Also, a mother of five is baffled when her Gen Z kids use words she thought she knew. For example, they call sweatshirts sweaters, and declare that’s so aesthetic...
Tommy in Lexington, Kentucky, reports that when he was serving in the U.S. military in Vietnam he heard the expression Mox nix, meaning “I don’t care” or “It doesn’t matter.” It’s a version of a German es Macht nichts, or “It’s nothing.” This is...