A term railroad employees use to describe a railroad enthusiast / railfan and the railfan community at large. Most often used disparagingly.

The type of n00b who would use derogatory rail slang like SCAXliner or Amtrash, complains about the tuning of train horns, tends to endanger his or other's lives for a good photo, and angers railroad crews through his actions.

Also tends to spam youtube haters' channels, and tend to harrangue people via internet, cell phone, etc.

A person who stands by railroad tracks and films or takes pictures of trains

Somebody who has uncontrollable fits of rage who is usually a quite and introverted person. Possibly the result of Asperger syndrome or poor social skills a foamer is not in control of there emotions when in a stressful situation and they are often considered social rejects by some.

(n). A stereotypical fan who loves to make bias and make fake facts of said hobby. Generally, this term is used by anyone who’s overly obsessed with commonly seen trains. This term is also generally accepted in the bus and aviation community.

A foamer is a rail fan, most likely someone who has just gotten into the hobby, who foams at the mouth when they see a train.

(1) One who talks alot of non-sense and completely lies about something or someone. (hense having foam in ones mouth and not being able to understand them)

(2) An asshole who says something about someone but doesn't have the courage to back it up.