jock

• (Received Pronunciation) IPA^(key): /ˈd͡ʒɒk/
• (General American) IPA^(key): /ˈd͡ʒɑk/

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• Rhymes: -ɒk

Unknown. Suggested to be a hypocoristic for John (compare Jack).

jock (plural jocks)

1. (slang, archaic) A common man.
2. (British, Ireland, slang, derogatory) A Scotsman.

The computer slang meanings are derived from jockey. The athletic slang meanings in turn date from the middle 20th century and are simple abbreviations of jockstrap, which is in turn derived from the older slang meaning of jock itself, which dates from the 17th century, and whose etymology is unknown.

jock (plural jocks)

1. (informal) A jockey.
   • 1912, Arthur Conan Doyle, The Lost World […], London, New York, N.Y.: Hodder and Stoughton, →OCLC:

     "You've heard of him?" "No." "Why, young fellah, where have you lived? Sir John Ballinger is the best gentleman jock in the north country."

2. (slang, rare, dated) The penis.
3. An athletic supporter worn by men to support the genitals especially during sports.

   Synonym: jockstrap

4. (US, slang) A young male athlete (through college age).
5. (US, slang, derogatory) An enthusiastic athlete or sports fan, especially one with few other interests, often stereotyped as slow-witted person of large size and great physical strength.
   • 1984, Steve Zacharias, Jeff Buhai (screenplay), Revenge of the Nerds (motion picture), spoken by Lewis (Robert Carradine):

     'Cause all jocks ever think about is sports, all we ever think about is sex.

6. (slang) A disc jockey.
   • 1977 April 16, "Hartford Radio Show Axed", in Gay Community News, page 6, quoting Eric Gordon:

     There was never a single listener protest or objection — the entire opposition to the content of the program came from a few jocks within the station.

   • 2010, Stephen B. McSwain, The Enoch Factor: The Sacred Art of Knowing God, page 95:

     As a teenager, I laid down the sword and decided I wanted to be a disc jockey. […] I'd sit outside the studio and watch with envy and admiration as the jocks performed in the small room on the other side of the soundproof window […]

7. (US, dated computing slang, in combination) A specialist computer programmer.

   compiler jock

   systems jock

jock (third-person singular simple present jocks, present participle jocking, simple past and past participle jocked)

1. (slang) To masturbate.

   Synonyms: jack off, jerk off, wank, wank off

2. (slang) To humiliate.

   Synonym: punk

3. (slang) To steal.

   Synonym: gank

Unknown.

jock (uncountable)

1. (dialect, Yorkshire) Food; meals.
   • 1881, Ben Preston, Dialect and Other Poems‎, page 19:

     Thear's boan-idle nowbles, baht hahses an' lands, 'at al walk on a carpeted path, an' nivver do nowt wi' ther lily-white hands bud lift uther fowk's jock to ther maath.

   • 1884, William Cudworth (of Bradford), Yorkshire Dialect and Character Sketches‎, page 15:

     Hah's a growing lad to thrive baht jock?

From Middle English jakke, from Anglo-Norman jacke.

• IPA^(key): /d͡ʒɔk/

jock

1. jack, leather coat
   • 1867, “VERSES IN ANSWER TO THE WEDDEEN O BALLYMORE”, in SONGS, ETC. IN THE DIALECT OF FORTH AND BARGY, number 3, page 100:

     At ye mye ne'er be wooveless ta vill a lear jock an cooan.

     That you may never be unprovided to fill an empty jack and can.

• Jacob Poole (d. 1827) (before 1828) William Barnes, editor, A Glossary, With some Pieces of Verse, of the old Dialect of the English Colony in the Baronies of Forth and Bargy, County of Wexford, Ireland, London: J. Russell Smith, published 1867, page 48