The most common and most likely answer to this crossword clue is the 5 plus 5 letter word LEGAL EAGLE
I've seen this crossword clue in Independent
L
E
G
A
L
E
A
G
L
E
More clues leading to the result LEGAL EAGLE
- Set up two beers, entertaining good lawyer
- Member initially gets in two beers – barman here one of the best
- Clever lawyer on beer — beer drinking good
- Set up with a student high-flyer for a lawyer
- High flying lawyer?
- She might try upright beer and beer laced with a bit of gin
- Pro at the bar on two beers, drinking gallons
- Knowledgeable solicitor, say, on a roll finally with a great score in golf
Buddy explains!
The straight part
We know that "barman here (the legal bar!) one of the best" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case barman here (the legal bar!) one of the best = legal eagle.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.