Marianne's brother lives here, and no matter what the temperature, I always roll down her window and yell, "Hi Eric." She started it, but I have made it a tradition.
On my mission, Elder Larson and I would always mimic bucks (deer) when they fight. I've brought that one back with me, and occasionally have been known to buck Audrey or Marianne or a number of other people.
As of late, we have become expert elevator jumpers, and it is just assumed that when in an elevator, you jump. We have been caught with all the buttons pushed in the JFSB at least twice, and we always use the secret elevator in the library to avoid suspition. We've decided that jumping is the best when your eyes are closed. When you're going down, your stomach totally turns inside out.