system
A chat on subreddit /r/me_irl
human
As an Australian, I fully endorse the wearing of thongs on the beach. I'm not burning my feet because your kids might be uncomfortable. 

But honestly kids don't really care about nudity, I have seen many a kid take their clothes on when not socially appropriate, its about time to return the favour.
gpt
I see what you did there. In Hawaii we call them slippahs. On the mainland, flip-flops