The most common and most likely answer to this crossword clue is the 8 letter word CRACKERS
I've seen this crossword clue in Financial Times
C
R
A
C
K
E
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S
More clues leading to the result CRACKERS
Buddy explains!
The straight part
We know that "Crazy/jokes in these" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case crazy/jokes in these = crackers.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 CRACKERS mean?
CRACKERS noun- A dry, thin, crispy baked bread (usually salty or savoury, but sometimes sweet, as in the case of graham crackers and animal crackers).
- A short piece of twisted string tied to the end of a whip that creates the distinctive sound when the whip is thrown or cracked.
- A firecracker.
- A person or thing that cracks, or that cracks a thing (e.g. whip cracker; nutcracker).
- A Christmas cracker.
- Refinery equipment used to pyrolyse organic feedstocks. If catalyst is used to aid pyrolysis it is informally called a cat-cracker
- A fine thing or person (crackerjack).
- An ambitious or hard-working person (i.e. someone who arises at the 'crack' of dawn).
- One who cracks (i.e. overcomes) computer software or security restrictions.
- A noisy boaster; a swaggering fellow.
- (racial slur) An impoverished white person from the southeastern United States, originally associated with Georgia and parts of Florida; (by extension) any white person.
- (Florida) A police officer.
- A northern pintail, species of dabbling duck.
- A pair of fluted rolls for grinding caoutchouc.
- Crazy, insane.