deep six

¹ American  

noun

Slang.

1. burial or discarding at sea.

2. complete rejection or ruin.

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deep-six ² American  

[deep-siks] / ˈdipˈsɪks /

verb (used with object)

Slang.

1. to throw overboard.

2. to get rid of; abandon; discard.

3. to reject, negate, or ruin.

   The team deep-sixed the manager's attempt to call Sunday practice.

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deep-six British  

verb

1. slang (tr) to dispose of (something, such as documents) completely; destroy

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deep-six Cultural  

1. To dispose of, discard, or get rid of: “The board of directors deep-sixed the proposal without even reading it.” This phrase is derived from the noun “deep six,” meaning burial at sea and referring to the depth of water necessary for such a burial. The term was later used as slang for a grave (customarily six feet underground) and, by extension, as a verb meaning “to kill.”

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deep six Idioms  

1. Also, . Burial at sea. For example, When the torpedo hit our boat, I was sure we'd get the deep six . This expression alludes to the customary six-foot depth of most graves. [Early 1900s]

2. Disposal or rejection of something, as in They gave the new plan the deep six . This usage comes from nautical slang of the 1920s for tossing something overboard (to its watery grave; see def. 1). It was transferred to more general kinds of disposal in the 1940s and gave rise to the verb to deep-six , for “toss overboard” or “discard.”

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Etymology

Origin of deep six¹

First recorded in 1940–45

Origin of deep-six²

First recorded in 1950–55; v. use of deep six

Example Sentences

Kiké Hernández, Rafael Devers and Michael Chavis also connected for Boston, which went deep six times in Monday's 13-4 win over Toronto.

From Fox News • Jul. 22, 2021

Kiké Hernández, Rafael Devers and Michael Chavis also connected for Boston, which went deep six times in Monday’s 13-4 win over Toronto.

From Seattle Times • Jul. 21, 2021

Muncy also had a nine-game hitting streak snapped where he went deep six times and drove in 12 runs.

From Washington Times • Aug. 23, 2019

Mike Tauchman, DJ LeMahieu and Didi Gregorius homered in the third inning, and New York went deep six times in a victory at Baltimore.

From Reuters • Aug. 7, 2019

Size large; when well grown, measuring sixteen or eighteen inches deep, six or seven inches in diameter, and weighing from twelve to fifteen pounds.

From The Field and Garden Vegetables of America Containing Full Descriptions of Nearly Eleven Hundred Species and Varietes; With Directions for Propagation, Culture and Use. by Burr, Fearing