Dogtrousers
Kilometre nibbler
I don't know how it got into my head, but it's been there since I was very young. Possibly my mother might have sung it.Thanks.
It’s a very niche reference.
I pride myself on pointless knowledge but that one passed me by.
And I suspect most other people are unaware of the song from 84 years ago!
I'd guess that an ancient Roy Rogers song might be better known in the US, which was probably the target for this funny.