hundicapped
A failing whereby seemingly normal people turn into raving, ranting bigots during the course of supporting their football team (either Glasgow Rangers of Heart of Midlothian).
Celtic fan 1: "Look at the chap over there foaming at the mouth and shouting rude things about the Pope"
Celtic fan 2: "Excuse him, he's obviously hundicapped"
Celtic fan 2: "Excuse him, he's obviously hundicapped"