Good gracious! I'm no longer topsy-turvy! (7,5)
I believe the answer is:
heavens above
'i'm no longer topsy-turvy' is the definition.
I don't know anything about this answer so I can't tell whether this works.
'good gracious' is the wordplay.
I cannot really see how this works, but
'gracious' could be 'heavens' (both are expressions of surprise or shock) and 'heavens' is found within the answer.
The remaining letters 'above' is a valid word which might be clued in a way I don't see.
This may be the basis of the clue (or it may be nonsense).
Can you help me to learn more?
(Other definitions for heavens above that I've seen before include "O Lord!" , "Where might I seek thee?" .)