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1 definition by Aeromoe

 
1.
A term railroad employees use to describe a railroad enthusiast / railfan and the railfan community at large. Most often used disparagingly.
(Engineer to conductor aboard a freight train)

"Man, we got some foamers ahead taking pictures...they need to just get a life and find something to do besides hang around the tracks all day."
by Aeromoe February 27, 2008