Perchak Share definition Flag The one piece of cake that's left after a long birthday party that no one wants to eat. I'm soooo stuffed, I wish I coud eat that last Perchak. Does anyone else want it? "NO!" Perchak by Riley P. July 4, 2012 0 0 Get merch Get the Perchak mug. Buy Now — $32.95 See more merch