The most common and most likely answer to this crossword clue is the 5 plus 3 plus 4 letter word ROUND THE BEND
I've seen this crossword clue in The Guardian
R
O
U
N
D
T
H
E
B
E
N
D
More clues leading to the result ROUND THE BEND
- Gone to take corner
- Out of one’s sight, and mind?
- Cuckoo the other side of turn?
- Where oncoming traffic may be unseen? Crazy!
- Mad place where view’s restricted
- Both end with Underground in Barking
- Routine problem for emerging divers lacking second potty
- Loco just out of sight?
- Crazy to be honest at that time about live data’s source
- Out of sight, out of mind?
Buddy explains!
The straight part
We know that "potty" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case potty = round the bend.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.