A guy who very nerdy and likes trains. he is tall a good friend, BUT HE NEVER WILL STOP TALKING ABOUT TRAINS LIKE MANNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
Sam the train man means to dedicate your whole damn life to trains,
Person 1: Yo Sam can you stop talking about trains please?
Sam: no. (insert nerdy train fact here)