Top Definition
To disassemble one's Headlights in order to affect some cosmetic or functional change. The most common Joey Mod is painting the plastic housing that is visible behind the clear lens a different color-usually black.

Yo Pauly, You check out Vinnies Iroc? You know he dropped the suspension and installed a super charger right? Well now he added a rear wing spoiler and did a Joey mod. That shit's lookin' fly yo.
by TimmyGee February 16, 2007

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