The most common and most likely answer to this crossword clue is the 8 letter word HOGMANAY
I've seen this crossword clue in The Sunday Telegraph
H
O
G
M
A
N
A
Y
More clues leading to the result HOGMANAY
- Pig chap always used for celebration
- Scottish festival always associated with chap minding pigs?
- This revelry could bring about my early hangover
- Greedy type has quite a few, hosting a New Year celebration
- Time to bring in the new, distressed mahogany
- Porker, chap always finding time for excessive drinking?
- Meanly keep mum – no time to 16!
- Swineherd always seen in celebration?
- Time to celebrate a form of mahogany
- Celebrated form of mahogany
Buddy explains!
The straight part
We know that "winter celebration" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case winter celebration = hogmanay.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.