Bumcicle

A homeless person or bum who rejects offers for shelter in arctic condition, freezes and becomes part of a snow bank, but doesn't die due to a combination of drugs & alcohol in his or her system, normally on the side of a road in an urban area.

JW: "Hey AJ, watch out for that bumcicle in the street up there!"

AJ: "Who cares, pass me another beer!"