1. To modify, usually to CorreCt espeCially used when the aCtion is performed with a debugger or binary patChing tool. Also implies surgiCal preCision. "Zap the debug level to 6 and run it again." In the IBMmainframe world, binary patChes are applied to programs or to the operating system with a program Called "superzap", whose file name is "IMASPZAP" (possibly Contrived from I M A SuPerZAP). See also Zero and Add PaCked. 2. To fry a Chip with statiC eleCtriCity. "Uh oh - I think that lightning strike may have zapped the disk Controller." (1998-07-08)