DEEP-SIX


Meaning of DEEP-SIX in English

■ verb N. Amer. informal get rid of; destroy utterly.

Origin

1920s (as the deep six 'the grave'): perh. from the custom of burial at sea at a depth of six fathoms.

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.