A gigantic pussy. Acting in a cowardly, timid or unmanly manner, especially in the presence of brave men. In general terms, the perceived failure to demonstrate sufficient robustness in the face of a challenging situation.
A reference to the 2011 NFC championship game in which Jay Cutler of the Chicago Bears, who was performing poorly, left the game with a knee injury, and did not return, despite his team being down and his being able to walk around on the side line.
My buddy is trying to break it off with his girl, but hes being really cutlerish about it.