A particularly inept coach, especially one who manages to evade firing by having talented players on his or her roster. As a coach becomes more and more useless, the "a" slowly morphs into an "r."
Alternately, "Corch" may be used as a verb, as in, to "Corch" a kid up.
Inadvertently coined by U.S. Rep. Corrine Brown on the House floor (in reference to "Corch Irvin Myers" of Florida).
ESPN Analyst #1: How did USC go from pre-season #1 to a middle-of-the Pac football team?
ESPN Analyst #2: Lane Kiffin is one helluva Corch.
Drunk College Student #1: Another top recruiting class for our SEMINOLES!
Drunk College Student #2: Don't worry- I'm sure Jimbo will Corch 'em up.
Fan #1: You think the Chargers are gonna finally take advantage of their talent and reach the big game?
Fan #2: Naw, man. Norv Turner is the Corchiest Corch that ever Corched.