I've never actually made one with pee myself, but I have influenced others to do it.
Yeah, it's pretty hard to think of everything fun you've done in over a 3 year time period. I've been thinking about it all day, but I'm sure everyone has heard enough of the stupid stuff I've done.There's more, I just can't think of 'em right now.
To broaden this topic:
Living in Army barracks is a lot like living in a college dorm room. What are some of the things you've done for fun while there?