sleeper
n.— «Railroads that come out of Mexico must deal routinely with the “sleepers,” as those who try to hitch a ride on the northbound trains are called.» —“A Way Out of the Immigration Mess” by Mike Krauss Wall Street Journal July 21, 2007. (source: Double-Tongued Dictionary)
Further reading
What’s it like to hike the Pacific Crest Trail all the way from Mexico to Canada? You’ll end up with sore muscles and blisters, and great stories to tell. Along the way, you’ll also pick up some slang, like NoBo, SoBo, Yo-yo and...
Books were rare treasures in the Middle Ages, painstakingly copied out by hand. So how to protect them from theft? Scribes sometimes added a curse to the first page of those books that was supposed to keep thieves away — and some were as vicious as...