It happened, not to lie, but other schools have been doing this way before the student section started doing it. It is not a Nebraska tradition just so you know. It was copied just like the "black out" crap.
It has been going on for a while, but REALLY took off in '07 when Adi started booting everything into or through the endzone.
There was always a small contingency of students doing it in '05 and '06 when I was there.