The most common and most likely answer to this crossword clue is the 9 letter word PUB-CRAWL
P
U
B
-
C
R
A
W
L
More clues leading to the result PUB-CRAWL
Buddy explains!

The straight part
We know that "Night out" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case night out = pub-crawl.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.
What does PUB-CRAWL mean?
PUB-CRAWL noun- The visiting of a number of public houses in a single session.
- To visit, and drink in, numerous pubs or bars in succession.