Definitions
1.nounAnything shiny; a trinket.
2.nounContraction of disparaging term "shiny arses", originating during World War Two, to describe a desk worker.https//books.google.co.uk/books?id=mAdUqLrKw4YC&pg=PA1717
3.adjectiveReflecting light.
4.adjectiveEmitting light.
5.adjectiveExcellent; remarkable.
6.adjectiveBright; luminous; clear; unclouded.