...when you think of gauge you think of a round thing with a needle
...you think a hopper is a bunny or a kangaroo
...you think gondolas belong in Venice or Vegas
...you know a truck is a truck, a bogie is a monster
...you think a speeder is that thing from Star Wars
...you think working the yard involves pulling up weeds
...you think a railfan must be something new at Bed Bath and Beyond
...when you think of a flat car you imagine an accident with a steam roller
...you make sure there aren't cops around when you let out the magic smoke
...you expect a U-Boat to be filled with Nazis
...you know ballast is only for ships and fluorescent lights
...you think a fallen flag involves a broken pole
...you think of Shoney's first when you hear Big Boy, the Space Shuttle when you hear Challenger, the opera when you hear Mikado, and guys getting laid off when you hear Consolidation
...you don't know what pink or blue foam is, and you're pretty sure talking about homasote is not PC
...you're not sure what to do with that spare room