gunzel

A railway or tram enthusiast; particularly (formerly derogatory) one who is overly enthusiastic or foolish.

'There're people who have an intellectual impairment,' he said, 'and studying trains seems a natural thing for them to gravitate to. And then there're people who have more of a hobby-style interest in it.' […] He feels gunzels are misunderstood by the outside world …

[L]ike many model train enthusiasts, he now takes some pride in being called a foamer, or a gunzel, or even a gricer – all names for those who enjoy model trains.

An enthusiast or geek with a specific interest.

I ask him about Australian trainspotters. 'Do such people exist?' / 'We call them train gunzels. A gunzel is a person who is really stuck on one thing. In Sydney you get guys on the platforms. This carriage here is the CDF924 – that's the number for Matilda's Restaurant. The guys on the platform will say, "Oh, I haven't seen that for a while"[…]'

Alternative spelling of gunsel.

To engage in railway enthusiast activities.