desk checkTo {grovel} over hardcopy of {source code}, mentally simulating the {control flow}; a method of catching bugs. No longer common practice in this age of on-screen editing, fast compiles, and sophisticated debuggers - though some maintain stoutly that it ought to be. Compare {dry run}, {eyeball search}, {vdiff}, {vgrep}. [{Jargon File}] (1996-05-13)