Smear your face on the nearest window, and bang on it to get the tour group's attention. They'll all respect you, and your classmates will know you're the funniest kid around. But you can't count on bumping into a campus tour every time you hanker to annoy. To that end, let's take a look at that eternal breeding ground for jerk-dom, the party. There are plenty of ways to be a bastard at social gatherings, so we'll have to narrow the field.
Crashers can totally ruin a party, and the more jerk-like they are, the worse for everyone.
Invite your friends, and make sure they're stinking drunk. Just don't bring anyone popular, 'cause they might know someone who has a legitimate reason to be at the party. No, bring a bunch of losers. Encourage unacceptable behavior in your drunk, loser friends. Ideally, they should be asking everyone around to sell them drugs within about 15 minutes.