The most common and most likely answer to this crossword clue is the 5 letter word POTTY
I've seen this crossword clue in The Times
P
O
T
T
Y
More clues leading to the result POTTY
Buddy explains!
The straight part
We know that "Crazy/child's place to go" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case crazy/child's place to go = potty.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 POTTY mean?
POTTY verb- To go and use the potty: to leave in order to urinate or defecate.
- To go crazy: to become insane.
- (diminutive) A chamber pot, particularly (children) the pot used when toilet-training children.
- (diminutive) Any other device or place for urination or defecation: a toilet; a lavatory; a latrine; an outhouse.
- Insane.
- Easy to pot the ball on.