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2.
The natural instinct of finding lower prices on products that every Jewish person is born with
"Hey Andy did you see Matt got that ipod touch off ebay for a hundred bucks less?"

"How the fuck did he do that?"

"He used his jew-stincts to find a lower price. What a fucking jew huh?"
by VOLTRON89 March 14, 2009
 
1.
A combination of the words "Jew" and "instincts," Jewstincts usually refer to sound financial decisions. The term generally carries a positive connotation and is applicable to people of Jewish or non-Jewish heritage. It can be used as an insult in the proper context, especially if someone is being Scroogey with his or her money.
Guy 1: Bruh, when you gonna start paying for da weed, too? You always be hittin up on my stash!
Guy 2: Nigga pleez, you straight stuntin! You can pop hundies all you want, but why I gotta throw down Kraft singles when I can get it fo free from you?
Guy 1: Bitch, damn you and yo Jewstincts!
by kookiejar December 07, 2009