What does it mean to get iced?

according to urban dictionary it means...Icing" -- or "getting iced" -- is a frat star drinking game. The rules are simple: If a person sees a Smirnoff Ice, he or she must get down on one knee and chug it, unless they happen to be carrying their own Smirnoff, in which case they can "ice block," or refract the punishment back onto the attacker. In order to dupe people into stumbling across the beverage, participants have devised creative ways of presenting them with Ices, like strapping the bottles to the backs of dogs or burying them in vats of protein powder.