[EyeballKid]

In a similar vein, there's also this 2008 blog post about DPaint which nailed a UI concept I kind of sensed but couldn't articulate:

"The importance of Exuberance in User Experience" (Site seems to be down right now, but the wayback machine has it) https://web.archive.org/web/20160611170615/http://designblog...