Sounds fun:
Do ya'll have a decent sporting team you can support and do tailgating events,
encourage homecoming events, ect
what about the fraternities and sororities on campus? how active are they? if you push them to do more charities events, everybody wins... ie
Pi Kappa Phi Push week
DZ gong show
DU Pushball (push a big ass ball around with brooms)
Mr. AXO contest
...there are so many.. check out greek websites for all the different kinds of events they do.
Start an Annual event(s)...
University of Houston's Frontier Fiesta
Clicky
battle of the bands or do an american idol thing where people compete