Film of Georgia, inconsequential (8)
I believe the answer is:
gaslight
'film' is the definition.
(I've seen this before)
'georgia inconsequential' is the wordplay.
'georgia' becomes 'ga'.
'inconsequential' becomes 'slight'.
'ga'+'slight'='GASLIGHT'
'of' acts as a link.
(Other definitions for gaslight that I've seen before include "Old guide in dark" , "Old form of illumination" , "Sort of illumination" , "Bergman film" , "Old film" .)