No, it's not appropriate in most social and cultural norms. Hanging out naked in a non - private or non - appropriate context goes against modesty and privacy values. There are boundaries even in close friendships.
Vampires in fiction usually hang out in places where there's limited sunlight and easy access to their prey. This could be ancient tombs, abandoned churches, or dimly lit nightclubs. The choice of location often depends on the specific story and the author's imagination.
Well, vampires in fiction usually lurk around places with little light and human presence. This could be creepy forests at night, or forgotten basements of large buildings. Sometimes they even have their own secret lairs hidden from the world.
The word 'soul out of body' meant that the soul had left the body. It described extreme fear or loss of normalcy. This idiom can be used as a subject, a verb, an adverb, or a complement. There were similar examples in 'Dream of the Red Chamber'.
No, it is not appropriate in most social and moral contexts. Public nudity or even private nudity within certain living spaces that might be visible to others (like through windows) violates general standards of decency. Also, it may not be legal in many areas.