Produce erotic stimulation? It’s not good in art gallery (9)
I believe the answer is:
titillate
'produce erotic stimulation? it's not good in art gallery' is the definition.
I can't judge whether this definition defines the answer.
'it's not good in art gallery' is the wordplay.
'not good' becomes 'ill' ('ill' is the opposite to 'good').
'in' is an insertion indicator.
'art gallery' becomes 'tate' (Tate Modern, Tate Britain etc).
'it'+'ill'='itill'
'itill' placed into 'tate' is 'TITILLATE'.
Can you help me to learn more?
(Other definitions for titillate that I've seen before include "Thrill" , "Pique" , "Excite through suggestive means" , "Excite erotically" , "create superficial interest" .)