amazesack Share definition Flag When something is just too incredibly amazing to explain using normal english words. Coined by Katy Perry via Twitter on February 9th 2010. Katy Perry: @skyferreira I didn't know I had the power to get popstars grounded! Amazesack! amazesack by avnish February 11, 2010 0 0 Get merch Get the amazesack mug. Buy Now — $32.95 See more merch