The most common and most likely answer to this crossword clue is the 5 letter word SNOOL
S
N
O
O
L
Buddy explains!
The straight part
We know that "snub in Edinburgh" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case snub in edinburgh = snool.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 SNOOL mean?
SNOOL noun- An abject, cowardly person who submits tamely to others.
- To submit tamely to others.