Oh, this is making me laugh! Hmm, let's see:
Supposedly...
A sorority makes their pledges do coke
The infamous circling of fat
XYZ makes their pledges strip for fraternity guys
I was sitting in our late-night diner one night and I saw some guys eating at full speed and talking about how they had to get to the house. Apparently, they had to gain 5 pounds in one day.
I don't know which fraternity they were in, though.