Basically, this is accomplished by humiliating them with baby pictures and poking fun at their personal quirks. It involves slide shows so that the embarrassment is complete and visual. But at the end, we usually get funky and dance. Most likely to old 80s tunes, but whatever. It's usually in a nice hotel for one night, and we college students actually dress up and go out.
Social activities are self-explanatory.
The midshipmen who organize them are affectionately known as the party squad.