The most common and most likely answer to this crossword clue is the 4 plus 11 letter word ORAL EXAMINATION
I've seen this crossword clue in The Guardian
O
R
A
L
E
X
A
M
I
N
A
T
I
O
N
More clues leading to the result ORAL EXAMINATION
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.