[Slings and Arrows]

I think the folks in question used commuter trains. A bit less ummph there.

[Daffynition]

Well, we were teased by the older kids. They told us that a
single penny can derail an entire train. B/c they were *older* we sort of believed them. Then we had Catholic guilt about the prospect. Good times.

I don’t recall, any of us erstwhile kids [or teens] doing dumb stuff, like playing chicken, when the train went by.