/kuhS' pee/ [WPI: from the DEC abbreviation CUSP, for "Commonly USed SyStem Program", i.e. a utility program uSed by many people] 1. (of a program) Well-written. 2. Functionally excellent. A program that performS well and interfaceS well to uSerS iS cuSpy. See rude. [Jargon File]