couch rocket
n.— «You can refer to the 650 as a couch rocket, but don’t tell your wife.» —“Hello from Georgia” by allwalk in Toronto, Can. BurgmanUSA.com May 1, 2004. (source: Double-Tongued Dictionary)
Further reading
Frederick from Valdosta, Georgia, wonders about the term galley-west. To knock something galley-west means to “knock it into confusion” “send everything in all directions.” In Mark Twain’s Adventures of Huckleberry...
For rock climbers, skiers, and other outdoor enthusiasts, the word send has taken on a whole new meaning. You might cheer on a fellow snowboarder with Send it, bro! — and being sendy is a really great thing. Plus: a nostalgic trip to Willa...