For a guy, shaving body hair up here in any way would definetly be seen as a bit feminine. Probably, spending any amount of time or products on beautifying yourself beyond a normal shower with some shampoo would. It's worth mentioning again that I'm presentlyin the high arctic, though. Everyone here let's their hair grow, wherever it is. There's testosterone in the air.
The worst machismo environments up here must be in the miner camps where there are no women. It's really hard work, acceptance from your elders/betters is something you have to earn through hardship and probably many pranks and I think it's probably just an environment where a lot of what you'd consider "normal" moral values degrade .. Possibly, they are replaced with other values though and perhaps some kind of honour system
When guys get together like that, there's no room for weakness. If you're aching or hurting or at the butt of a joke, you are supposed to suck it up and not whine about it and if you're a newcomer, you are constantly tested to see if you're up to these standards.
The internal "friend" environment with my mates down south shares a lot of similarities with this, just not at all to the same extent.