A phrase originally used to indicate that the coach of a sports team is on the verge of being fired due to lackluster performance. It has been more generally applied to anyone in danger of any sort of failure.
Rich Rod, heads up homie don't lose to Ohio State again.

Heads up homie, you're going to have some bad karma after that short sale of your last house.
by the_Council February 3, 2010
Get the Heads Up Homie mug.