Loth, is seems, is love. And in Berkeley, what isn't dirty, stinky, oily love?

But what is loth, you ask? According to The Daily Californian, it's a co-op:

Loth: One of the Berkeley Student Co-ops (cooperative living spaces), Loth is short for Lothlorien, the sylvan residence in Lord of the Rings and home of the elves, which has relocated to Prospect Street and Channing Way.