spiffy: /spi'fee/ adj. 1. Said of programs having a pretty,
clever, or exceptionally well-designed interface. "Have you seen the
spiffy X version of empire yet?" 2. Said sarcastically of a
program that is perceived to have little more than a flashy
interface going for it. Which meaning should be drawn depends
delicately on tone of voice and context. This word was common
mainstream slang during the 1940s, in a sense close to 1.