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I'm a motorbikecampingfag, not a trailfag, but I have been referred to as "The Postman" by other campers at a site before they were told my name. Which was bloody funny :)
No prizes for guessing why... hint: something about a small red motorbike.
There was a Trailnames thread a while back. Among the usual trolls, someone mentioned it being a good idea, especially for women.