heavy wizardry definition, from Internet Connection, Inc.

Code or designs that trade on a particularly intimate knowledge or experience of a particular operating system or language or complex application interface. Distinguished from deep magic, which trades more on arcane theoretical knowledge. Writing device drivers is heavy wizardry; so is interfacing to X (sense 2) without a toolkit. Esp.: found in source-code comments of the form “Heavy wizardry begins here”. Compare voodoo programming.