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• jag
  jag

  noun

  a sharp projection on an edge or surface.
• J.A.G.
  J.A.G.

  abbreviation

  Judge Advocate General.
• Jag
  Jag

  noun

  a Jaguar car: often understood as a symbol of affluence
• JAG
  JAG

  abbreviation

  Judge Advocate General

jag

¹ American  

[jag] / dʒæg /

noun

1. a sharp projection on an edge or surface.

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verb (used with object)

jagged, jagging

1. to cut or slash, especially in points or pendants along the edge; form notches, teeth, or ragged points in.

verb (used without object)

jagged, jagging

1. to move with a jerk; jog.

jag ² American  

[jag] / dʒæg /

noun

1. a period of unrestrained indulgence in an activity; spree; binge.

   a crying jag; a talking jag.

2. a state of intoxication from liquor.

3. Northern, North Midland, and Western U.S. a load, as of hay or wood.

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J.A.G. ³ American  

Or JAG

abbreviation

1. Judge Advocate General.

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jag ¹ British  

/ dʒæɡ /

verb

1. (tr) to cut unevenly; make jagged

2. to catch (fish) by impaling them on an unbaited hook

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noun

1. an informal word for jab jab

noun

1. a jagged notch or projection

jag ² British  

/ dʒæɡ /

noun

1. 1. intoxication from drugs or alcohol

   2. a bout of drinking or drug taking

2. a period of uncontrolled activity

   a crying jag

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Jag ³ British  

/ dʒæɡ /

noun

1. informal a Jaguar car: often understood as a symbol of affluence

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JAG ⁴ British  

abbreviation

1. Judge Advocate General

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Other Word Forms

• jagless
  adjective

Etymology

Origin of jag¹

1350–1400; late Middle English jagge (noun), jaggen (v.), of obscure origin

Origin of jag²

1590–1600; perhaps originally load of broom or furze (compare Old English ceacga broom, furze)

Explanation

A jag is a sharp area that protrudes from a surface, a pointed bump or knob. The walls of a cave, rather than being smooth, might be lined with rocky jags. You'll encounter jags when you're mountain climbing or walking along the rocky coast. To "be on a jag" or "go on a jag" means to be completely unrestrained, whether you're on a drinking jag or a crying jag. This second meaning is of U.S. origin, first meaning "a load of hay or wood," and later "as much drink as a man can hold," in the 17th century. By the 1880s, it was "a period of unrestrained activity."