The most common and most likely answer to this crossword clue is the 5 letter word SHINY
S
H
I
N
Y
Buddy explains!

The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does SHINY mean?
SHINY noun- Anything shiny; a trinket.
- Contraction 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
- Reflecting light.
- Emitting light.
- Excellent; remarkable.
- Bright; luminous; clear; unclouded.