The most common and most likely answer to this crossword clue is the 7 letter word BUFFOON
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More clues leading to the result BUFFOON
- Clown is expert in no time, which isn’t special
- Fool is in his bare skin, having nothing on
- Clown‘s gift is entertaining upper-class fellows
- Expert on defending old fool
- Sandy has nothing on, the clown!
- Enthusiast having nothing on is a fool
- Foolish person, fan with nothing on
- Expert has nothing on clown
- In a roll, turned away from old joker
- Polish cooking involves duck and turkey
Buddy explains!

The straight part
We know that "joker" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case joker = buffoon.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 BUFFOON mean?
BUFFOON noun- One who acts in a silly or ridiculous fashion; a clown or fool.
- An unintentionally ridiculous person.
- To behave like a buffoon