Davy Jones's Locker Guide Some link it to Saint David (Dafydd), the patron saint of Wales often invoked by Welsh sailors for protection. Another theory traces "Davy" to duppy , a West Indian term for a malevolent spirit or ghost. Folklore and Depictions While originally a grim superstition, the legend has been heavily reimagined in modern media: davy jones's locker is an 18th-century nautical idiom and metaphor for the bottom of the sea—specifically the final resting place for drowned sailors, shipwrecks, and lost cargo. To be "sent to Davy Jones's Locker" is a long-standing euphemism for death at sea. Origins and Etymology A popular theory suggests the name is a corruption of "Devil Jonah," the biblical prophet who was swallowed by a great fish. Some link it to Saint David (Dafydd), the One legend tells of a British pub owner named Davy Jones who allegedly drugged sailors and locked them in his ale locker before selling them to press gangs for service on ships. In early literature, such as Tobias Smollett's 1751 novel The Adventures of Peregrine Pickle , Davy Jones is described as a monstrous "fiend of the deep" with saucer-sized eyes, horns, a tail, and three rows of teeth. He was believed to perch in ship rigging during storms as a harbinger of doom. Modern Cultural Impact To be "sent to Davy Jones's Locker" is The exact origin of the name remains a mystery, though several theories persist in maritime folklore: