DEADBEEF/ded-beef/ The {hexadecimal} pattern used to fill words of freshly allocated memory under a number of {IBM} environments including the {RS/6000}; equal to decimal 3,735,928,559 (unsigned) or -559,038,737 (32-bit signed). As in "Your program is DEADBEEF" (meaning gone, aborted, flushed from memory). (1998-06-29)