The most common and most likely answer to this crossword clue is the 4 plus 3 plus 2 plus 3 letter word HUNG OUT TO DRY
H
U
N
G
O
U
T
T
O
D
R
Y
Buddy explains!
The straight part
We know that "Stuffed/shirts may be so lined" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case stuffed/shirts may be so lined = hung out to dry.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.