ញាក់សាច់

No, it's not rude or a swear word. It's just very informal. It's like saying 'damn' in 'damn, that's good'—fine with friends, not with your grandma.

Yes! If a horror movie is really intense, you can say it's 'Nhak Sach'. It covers both 'awesome' and 'shocking'.

Mostly, yes. It's the equivalent of Gen Z slang. If an older person uses it, they are usually trying to be funny or are very into sports.

Not directly, but it's used to describe food that is so good it's shocking. So, in context, yes.

There isn't a direct slang opposite, but you could say 'ធម្មតា' (Thommada - ordinary/normal).

Only in texting, social media comments, or informal chats. Never in a formal essay or news report.

It's a palatal nasal. Press the middle of your tongue against the roof of your mouth, like the 'ñ' in Spanish 'mañana'.

Yes, 'Sach' literally means meat or flesh. The idea is that your very muscles are reacting.

Yes, to describe their skill. 'He plays guitar Nhak Sach.' You aren't saying the person is meat, but their skill is mind-blowing.

Extremely. You will hear it everywhere from coffee shops to markets.