1) Get naked and chase people around while trying to get them to hug you.
2) Electric 8-ways.
3) KAP-3.
4) Volunteer to help clean out the loft, find someones long forgotton "penis pump", feign disgust when you realize what it is, then play the accompanying "instructional" video on the DZ television for all to see and enjoy.
5) Give someone a catchers mitt and talk them into "catching" the potatoes you will be shooting at them with the potato gun.
6) See how fast you can drive your car down the runway but don't apply the brakes until you are on the grass at the end.
7) Spend the day collecting firewood, which you will be soaking with generous amounts of avgas at sunset, and stacking it in the fire pit.
8) Give the new guy, or the drunk guy, a lighter and talk him into lighting the avgas soaked mountain of firewood that you spent the day collecting. Make sure everybody else stands back.
etc, etc, etc......