If you add inside jokes however, don't be surprised when no one remembers what it means in twenty-two years.
When you are signing a yearbook, inside jokes can also be a funny way to remember your high school years, though over time they may be forgotten.
Try not to reference any inside jokes when speaking to a large audience.
Many of the inside jokes that were made over the course of the movie also translated well into the interactive entertainment of the Shrek 2 video game.
If you're with a group of rowdy friends, you can always alter the rules or game structure to reflect inside jokes or more ribald humor.