Inside Jokes

Every bodys got at least one inside joke they have with friends and family.
What your longest or your prefered inside jokes. My favorite one is to teaze a friend of mine because when we were younger i syayed the night with her and we went in to her brothers room to barrow his ps and when we went to unplug it we found socks(some one had watched American Pie to many times) ... and way all i have to say is sock and she gets grossed out...hehe