The most common and most likely answer to this crossword clue is the 6 plus 8 letter word GUILTY PLEASURE
I've seen this crossword clue in The Guardian
G
U
I
L
T
Y
P
L
E
A
S
U
R
E
More clues leading to the result GUILTY PLEASURE
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.