Defiant expression from drunk in this place (2,5)
I believe the answer is:
so there
'defiant expression' is the definition.
(I've seen this before)
'drunk in this place' is the wordplay.
'drunk' becomes 'sot' (synonyms).
'in this place' becomes 'here' (synonyms).
'sot'+'here'='SO THERE'
'from' acts as a link.
(Other definitions for so there that I've seen before include "Derisive expression" , "message of defiance" , "Defiant statement" , "Triumphant put-down" , "Defiant words" .)