I'd be in there causing general mayhem. I'd commandeer the Library, and get pizza delivered to me.
"Who is it?"
"Little Caesar's Pizza Delivery. I have your pizza."
"Leave it on the doorstep and get the hell outta here. How Much Do I owe ya?"
"$12.98 sir."
"I'm gonna give you to the count of ten, to get your ugly, yeller, No good keister offa my property, before I pump your guts fulla lead."
(Pizza Guy and Jocks run for it)
"1,2 10!!! *blamblamblamblam!* Ahaahahaaaa! *blamblamblamblamblamblam!* Ahahahaaaa! Keep the Change ya filthy animal."
That would only happen if there was a gun on campus. Probably.