The most common and most likely answer to this crossword clue is the 7 letter word SNORTER
I've seen this crossword clue in The Sunday Telegraph
S
N
O
R
T
E
R
Buddy explains!
The straight part
We know that "Beauty/one taking snuff" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case beauty/one taking snuff = snorter.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 SNORTER mean?
SNORTER noun- One who snorts.
- Something that is extraordinary or remarkable
- Something that is extremely difficult