spiffy

/spifee/ , 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.