(N) Slang term for cash-money; fairly interchangeable with "Dough", "Moolah", or "Iron" (from Cecil Fielder's dictionary). Usually referring to dollars (etc.) on one's person, or cash-on-hand.
Person 1: Are you ready to go to the club now?
Person 2: Actually, if you don't mind , I gotta stop at the ATM first. I gotta get some chicken. . .I hear there's a cover-charge tonight.
Chicken is a game that involves running out in front of cars at the last moment possible, it's done in groups, with daring others to run, the person who refuses to run gets called the chicken. The game is almost legendary in status because unlike other games it's played rarely.