The most common and most likely answer to this crossword clue is the 5 plus 4 letter word FRIAR TUCK
I've seen this crossword clue in The Times
F
R
I
A
R
T
U
C
K
Buddy explains!
The straight part
We know that "Outlaw out of order" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case outlaw out of order = friar tuck.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.