The most common and most likely answer to this crossword clue is the 4 plus 4 letter word ETON MESS
I've seen this crossword clue in Financial Times
E
T
O
N
M
E
S
S
More clues leading to the result ETON MESS
- Sweet missive about me is dross ultimately
- Sweet comment brought up over dinner for men?
- Pudding confusion at posh boy's school
- Bill recalled documents about English course originating at school
- Pudding problem at Johnson’s alma mater?
- European brought in manuscripts on college course latterly?
- Sweet seems strangely out of fashion
- Pudding from M&S
- Most seen baked dessert
- S for school services’ social centre
Buddy explains!

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.