ElectricBlue
Connoisseur
- Joined
- May 10, 2014
- Posts
- 15,483
I'm familiar with it, and I'm in the next older generation and in the US southwest, so it's neither generational nor regional. It could be an Americanism.
Aussie men have had morning wood* for decades, so no, it's not exclusively Yank.
* 'morning glory' is also common here.