The most common and most likely answer to this crossword clue is the 4 letter word FOOL
I've seen this crossword clue in The Times
F
O
O
L
More clues leading to the result FOOL
- Mug making fruit dessert
- Joy seemingly from sweets one's found in row of shops
- Dimwit who is also sweet
- WC Fields’s first turns as comedian
- Charlie’s fruit dessert?
- Melange of April’s seafood? It’s in your dreams
- Fox film regularly receives 2 Oscars
- Sweet Charlie
- Touchstone, say, with length under 9 inches?
- Convenience and power returning for group
Buddy explains!

The straight part
We know that "Charlie/fruit dessert" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case charlie/fruit dessert = 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.
What does FOOL mean?
FOOL noun- A person with poor judgment or little intelligence.
- A jester; a person whose role was to entertain a sovereign and the court (or lower personages).
- Someone who derives pleasure from something specified.
- Buddy, dude, man.
- A type of dessert made of puréed fruit and custard or cream.
- (often capitalized, Fool) A particular card in a tarot deck, representing a jester.
- To trick; to deceive
- To act in an idiotic manner; to act foolishly
- Foolish.