Cryptic crossword clue
Jacks drunk Guinness when out of uniform 7

The most common and most likely answer to this crossword clue is the 7 letter word ENSIGNS

I've seen this crossword clue in The Guardian
E
N
S
I
G
N
S


Buddy explains!

The straight part
We know that "Jacks" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case jacks = ensigns.
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 ENSIGNS mean?

ENSIGNS noun
  1. A badge of office, rank, or power.
  2. The lowest grade of commissioned officer in the United States Navy, junior to a lieutenant junior grade.
  3. A flag or banner carried by military units; a standard or color/colour.
  4. The principal flag or banner flown by a ship (usually at the stern) to indicate nationality.
  5. Any prominent flag or banner.
  6. A junior commissioned officer in the 18th and 19th centuries whose duty was to carry the unit's ensign.
ENSIGNS verb
  1. To designate as by an ensign.
  2. To distinguish by a mark or ornament.
  3. To distinguish by an ornament, especially by a crown.

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