Satirise a politician taken in by a simple-minded fellow (7)
I believe the answer is:
lampoon
'satirise' is the definition.
(I know that satirise can be written as lampoon)
'a politician taken in by a simple-minded fellow' is the wordplay.
'politician' becomes 'MP' (Member of Parliament).
'taken in by' is an insertion indicator.
'a simple minded fellow' becomes 'loon' (I am not sure about this - if you are sure you should believe this answer much more).
'a'+'mp'='amp'
'amp' going within 'loon' is 'LAMPOON'.
Can you help me to learn more?
(Other definitions for lampoon that I've seen before include "Burlesque" , "Parody" , "Satirise, ridicule" , "Mock" , "ridiculous scenario" .)