https://www.youtube.com/watch?v=ZImXFkNySKM 0:01 the most passionate train enthusiasts are known as foamers. 注;ここでは感極まってイッちゃう人とユーモラスに解釈しています。
https://www.youtube.com/watch?v=RhYXNwvcl6A 2;02 it's freezing. but that doesn't stop a foamer. 寒いけど鉄ちゃんは止まらないよ。