shiny
adj.adj. having a bright surface that reflects light well. You use this to describe things like new coins, clean glass, or polished shoes.
adj. reflecting light brightly; having a smooth, polished surface. Often used to describe the appearance of new or well-maintained objects.
The new car has a very shiny finish.
She spent the morning polishing the silver until it was shiny enough to see her reflection.
The architect selected a facade of shiny, brushed aluminum to contrast with the matte texture of the surrounding concrete buildings.
From shine + -y (adjectival suffix).
From shine + -y (noun suffix).
Contraction of "shiny arse", originated during World War II. https://books.google.co.uk/books?id=mAdUqLrKw4YC&pg=PA1717
Typically used before a noun or after a linking verb like 'be' or 'look'.