Jewish American Redneck (contrast with jap or Jewish American Princess) A JAR never misses shabbat services unless there is a pool tournament in town or a special on watery domestic beer. JARs are Jewish by birth, but Southern by the grace of JHWH. You always want him/her on your side in an argument over the price of ammo.
In the film "The Big Lebowski" by Joel & Ethan Coen, John Goodman plays a JAR named Walter.
"Did you see that JAR in the Daisy Dukes? She just downed a fifth of MD 20/20 and now she's dancing the hora in a lawnchair!"