The most common and most likely answer to this crossword clue is the 3 plus 3 plus 3 plus 6 letter word GET OFF THE GROUND
I've seen this crossword clue in The Guardian
G
E
T
O
F
F
T
H
E
G
R
O
U
N
D
More clues leading to the result GET OFF THE GROUND
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.