A slatternly female brought up in Oklahoma (5)
I believe the answer is:
tulsa
'in oklahoma' is the definition.
('Tulsa' is part of 'oklahoma')
'a slatternly female brought up' is the wordplay.
'slatternly female' becomes 'slut' (I can't explain this - if you can you should give a lot more credence to this answer).
'brought up' says the letters should be written backwards (in a down clue, letters go up).
'a'+'slut'='aslut'
'aslut' back-to-front is 'TULSA'.
Can you help me to learn more?
(Other definitions for tulsa that I've seen before include "OK city" , "Oklahoman city" , "Where in the States" , "American city" , "Oklahoma city featured in a 1960s pop song" .)