Real Dictionary

J.A.G. in American English
abbreviation: Judge Advocate General

jag
If you have a crying jag or a coughing jag, you have a period of uncontrolled crying or coughing.

JAG in American English
Judge Advocate General

jag in American English 1
a sharp, toothlike projection or similar indentation
to cut jags in; notch or pink (cloth, etc.)
intransitive verb: to move with a jerk; jog
noun: a sharp projection on an edge or surface
transitive verb: to cut or slash, esp. in points or pendants along the edge; form notches, teeth, or ragged points in

jag in American English 2
a small load or amount, as of wood or hay
noun: a period of unrestrained indulgence in an activity; spree; binge

Jag in British English
abbreviation for: Judge Advocate General
noun: a Jaguar car: often understood as a symbol of affluence

jag in British English 1
noun: a jagged notch or projection
verb: to cut unevenly; make jagged

jag in British English 2
noun: intoxication from drugs or alcohol