Juice is street slang for "respect & credability". I couldn't agree more. JUICE MUTHAFUCKA!!!!! It's also a street term for taking steroids, as in "dude Derek's so juiced up he's pissing blood and eating live dog's on the street". You get the point. Here are some great moments in "JUICE" history.
The Game - G-Unit dis over O.G. "Juice" beat.
Eric B & Rakim - Juice
Steroids...Your dick will fall off little man!
P.S. Don 'The Dragon' Wilson...awesome