Cryptic crossword clue
Fully and freely expressed in Dublin with Red Rum 9

The most common and most likely answer to this crossword clue is the 9 letter word UNBRIDLED

I've seen this crossword clue in Financial Times
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Buddy explains!

The straight part
We know that "Fully and freely expressed" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case fully and freely expressed = unbridled.
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 UNBRIDLED mean?

UNBRIDLED verb
  1. To remove the bridle, and other tack, from (a horse or other animal).
  2. To remove restraint from.
UNBRIDLED adjective
  1. Not fitted with a bridle.
  2. (by extension) Without restraint or limit.

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