The most common and most likely answer to this crossword clue is the 8 letter word WHISKERY
I've seen this crossword clue in The Times
W
H
I
S
K
E
R
Y
More clues leading to the result WHISKERY
- Hairy what comes before x-ray, with radius breaking
- Hairy biker's ultimate parting drink
- Bearded grain produce Queen is into
- Unshaven king gets stuck into booze
- Unshaven redhead tucked into bourbon
- Scotch queen protected from displaying facial hair
- Hairy rye principally used in distilled spirit
- Unshaven king drowning in Irish drink
- Hairy spider’s ending in drink
Buddy explains!

The straight part
We know that "Unshaven" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case unshaven = whiskery.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.