Noun: an alcoholic beverage spiked with energy drink and/or stimulant narcotics; sometimes used in conjunction with pills or cocaine to enhance effects of said drugs. The culmination of these effects are meant to make the user a better dancer (jig=dance) as a result of their heightened speed and subsequent loss of inhibition.
I got that jigga juice
I got that jigga juice
It got me jiggalatin'
It got me gettin' loose
...
Feel like I'm out my body Feel like I'm out my body Feel like I'm out my body Oh yeah I'm out my body
Lil Josh - Jigga Juice