Part of Oklahoma gets millions for parking abuse (9)
I believe the answer is:
manhandle
'abuse' is the definition.
(thesaurus)
'part of oklahoma gets millions for parking' is the wordplay.
I cannot quite understand how this works, but
'part' could be 'handle' (handle is a kind of part) and 'handle' is located in the answer.
'millions' could be 'm' (abbreviation) and 'm' is found in the answer.
The remaining letters 'an' is a valid word which might be clued in a way I don't understand.
This explanation may well be incorrect...
(Other definitions for manhandle that I've seen before include "Knock around" , "Push (someone) about roughly" , "Treat roughly, or move by human effort alone" , "Give rough treatment to" , "Mistreat" .)