The most common and most likely answer to this crossword clue is the 5 letter word PORKY
I've seen this crossword clue in The Guardian
P
O
R
K
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 PORKY mean?
PORKY adjective- Resembling or characteristic of pork.
- Rather fat; chubby.
- A lie.
- (in the plural) An eye.