The most common and most likely answer to this crossword clue is the 8 plus 8 letter word INDECENT EXPOSURE
I've seen this crossword clue in The Guardian
I
N
D
E
C
E
N
T
E
X
P
O
S
U
R
E
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.