feetza Share definition Flag Leftover pizza that is so old or has such bad toppings that it smells like feet. 1. "I thought Tim had taken his shoes off until I realized he was just eating some old feetza from the fridge" feetza by natertater April 24, 2008 0 0 Get merch Get the feetza mug. Buy Now — $32.95 See more merch