The most common and most likely answer to this crossword clue is the 5 plus 4 letter word APRIL FOOL
I've seen this crossword clue in The Daily Telegraph
A
P
R
I
L
F
O
O
L
More clues leading to the result APRIL FOOL
- Someone had dessert in spring?
- March over to see this clot?
- One’s had one’s fill, poor punk
- Pair tucks into French garlic dessert, a possibility for 1/4
- Distraught pair, initially loathing dessert, say: “It’s a hoax!”
- One caught in spring trap?
- The first victim?
- He’s taken in for a pill dissolved with oxygen
- One had, changing oil for pal
- Spring pudding as butt of joke?
Buddy explains!
The straight part
We know that "One had" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case one had = april fool.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.