grind: vt. 1. [MIT and Berkeley; now rare] To prettify hardcopy
of code, especially LISP code, by reindenting lines, printing
keywords and comments in distinct fonts (if available), etc. This
usage was associated with the MacLISP community and is now rare;
prettyprint was and is the generic term for such operations. 2.
[Unix] To generate the formatted version of a document from the
nroff, troff, TeX, or Scribe source. 3. [common] To run
seemingly interminably, esp. (but not necessarily) if performing
some tedious and inherently useless task. Similar to crunch or
grovel. Grinding has a connotation of using a lot of CPU time,
but it is possible to grind a disk, network, etc. See also hog.
4. To make the whole system slow. "Troff really grinds a PDP-11."
5. `grind grind' excl. Roughly, "Isn't the machine slow today!"
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