A person of Japanese ancestry who displays a strong desire to emulate African AmericanHip Hop culture and style through "Bling-Bling" fashion and generally accepted "thug life" guiding principles.
Ian is such a jigger, he keeps on using "Oy Vey" in every sentance he says!
The gentiles who work at Jewish Camps are jiggers because they think by keeping kosher for one meal a day that they are jewish.