deserves to lose = D = despew
desk check n.,v.
To 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 eyeball search, vdiff, vgrep.
--The Jargon File version 4.3.1, ed. ESR, this entry manually entered by rootbeer277.