"B.C." but the word apparently predates that] vt. 1. To clear the state of a wedged device and restart it. More severe than `to frob' (sense 2). 2. [TMRC] To cut, sever, smash, or similarly disable. 3. The sound made by many 3.5-inch diskette drives. In particular, the microfloppies on a Commodore Amiga go "grink, gronk".