There seems to be an unusually high number of live sheep in attendance. The hottest topic of conversation at the party is whether Star Trek TNG is better than the original Star Trek.
Somebody spikes the punch with more punch.
The only reason that somebody is wearing a lamp shade on his head is because it's a costume party and he's disguised as a lamp. Your prof is at the party, he's wearing a black, studded leather mask and that's all. The host's parents seem to be the most popular people there.