during your down time at work you use auto cad and your engineering program to design a fully enclosed sim pit that will fit in the same space as your desk the start scouring the yard for scrap tubing to talk the shop into building it for you. This is, of course, only in the conceptual stage but I've got some scrap tubing stashed
Or you're posting on a non related board and put <S> at the end of a post and then have to explain that you're a cartoon airplane geek and what the <S> means