narco-sub
n.— «Packed with cocaine and grimly christened “coffins,” sleek jungle-built submarines are steaming their way north from Colombia through Pacific waters to deliver tonnes of illegal drugs headed for the U.S. market.…It estimates that some 60 to 75 of the fiberglass vessels, also known as “narco-subs” and capable of carrying upward of eight tonnes of cocaine when fully loaded, are built in clandestine jungle shipyards in northwest Colombia every year.» —“Colombian ‘coffins’ run cocaine beneath the waves” by Tom Brown Reuters Feb. 23, 2009. (source: Double-Tongued Dictionary)