coffin corner noun3 •A corner of the field formed by the opponent's goal line and a sideline, into which a punt is often aimed in order to force the opposition to play close to their goal line.Kick it hard, kick it deep, and aim for the coffin corner when close enough to the opponents' end zone. — 2014 •A situation in which the aircraft cannot increase or decrease its airspeed without stalling or buffeting.Here, in fact, is the so-called “coffin corner,” with the pilot juggling the throttle betwixt buffeting and highspeed stalling. — 1909 •The position in a formation of ships or bombers that is most exposed to enemy fire.We'd though that because of the TNT we might be somewhere in the middle. But we got the rear corner on the starboard side. They call that the coffin corner. — 1943 formscoffin corners