Andre Berto -- Drops 500% Tip ... On Blueberry Lemon Waffles!!

Tipping Guide: 15% tip = satisfactory service 20% tip = excellent service 500% tip = GAWWWWDAAAAMMMMM!!!! Fresh off his impressive 6th round knockout victory ... boxing champ Andre Berto splurged on some blueberry lemon waffles at an L.A. breakfast…