TAY-STAY Share definition Flag used to describe something that is more than delicious or just tasty. a variant of tay-stehhh. ooh that cream cake was so nice..it sure was TAY-STAY! TAY-STAY by laylaMUFFIN September 12, 2007 0 0 Get merch Get the TAY-STAY mug. Buy Now — $32.95 See more merch