The most common and most likely answer to this crossword clue is the 1 plus 4 plus 2 plus 3 plus 5 plus 4 letter word A LIFE ON THE OCEAN WAVE
I've seen this crossword clue in The Guardian
A
L
I
F
E
O
N
T
H
E
O
C
E
A
N
W
A
V
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.