The most common and most likely answer to this crossword clue is the 2 plus 4 letter word NO EXIT
I've seen this crossword clue in Financial Times
N
O
E
X
I
T
Buddy explains!
The straight part
We know that "find another way out!" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case find another way out! = no exit.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.