crayon: n. 1. Someone who works on Cray supercomputers. More
specifically, it implies a programmer, probably of the CDC ilk,
probably male, and almost certainly wearing a tie (irrespective of
gender). Systems types who have a Unix background tend not to be
described as crayons. 2. Formerly, anyone who worked for Cray
Research; since the buyout by SGI, anyone they inherited from Cray.
3. A computron (sense 2) that participates only in
number-crunching. 4. A unit of computational power equal to that
of a single Cray-1. There is a standard joke about this usage that
derives from an old Crayola crayon promotional gimmick: When you buy
64 crayons you get a free sharpener.