Davy Jones’s locker
noun /ˌdeɪvi ˌdʒəʊnzɪz ˈlɒkə(r)/
/ˌdeɪvi ˌdʒəʊnzɪz ˈlɑːkər/
[singular] (informal)- the bottom of the sea, where people who drown at sea are said to goWord OriginFrom Davy Jones, a name used by sailors in the 18th century for the evil spirit of the sea.