The most common and most likely answer to this crossword clue is the 4 plus 4 plus 5 plus 2 letter word PULL YOUR SOCKS UP
P
U
L
L
Y
O
U
R
S
O
C
K
S
U
P
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.