Before “The Big Game” every year against arch-rival Cal, Stanford students hold a fake funeral procession for the opposing mascot Oski the Bear, before hanging him in effigy atop of the White Memorial Fountain. And then being arrested for cruelty to fake animals, which's no doubt a felony in most of California.
University of Pennsylvania
After the third quarter of football games, fans sing "Drink a Highball", and -- upon hitting the last line, "Here's a toast to dear old Penn” -- they throw toast on the field. Bread that’s then picked up by, no joke, a toast Zamboni. Because nothing but sheer genius and innovation comes out of UPenn, right?