One-off means something made or done just once. John in Bremerton, Washington, first noticed it on a British-based online forum, and the term is apparently British in origin. It appears to come from manufacturing, where since about the 1930s, a...
gyroball n.— «Much may depend on the mystic machinations of silent Mariner partner Hiroshi Yamauchi, who may not only empower managing partner Howard Lincoln to bring back Ichiro at any cost, but also work to bring legendary Japanese...