Adjective describing the pleasant condition of time or situation possible to be spent without stress, nuisance, or any other disturbing or bothering element.
This word probably origins, in far east Asia's workers slang, from the name of a managing level staff so troublesome to make colleagues and subordinates down just by his presence.
We enjoyed a lot on the beach yesterday : shining but not hot at all, a light breeze blowing and just a few people around, great ! It was such an aiba-less day !