n. a quick move by defensive players toward the passer on the offensive team, as soon as the ball is snapped; -- it is used when the defensive teams assumes that a pass will be attempted, and risks allowing substantial gains by the offensive team if other plays are in fact planned.n. a rapid and violent military attack with intensive aerial bombardment. Same as blitzkriegn. any vigorous and intensive attack, bombardment, or assault, literally or figuratively; ; the German blitz on London.n. same as blitz chess.