Organism spreads to consume upper-class twit (9)
I believe the answer is:
ignoramus
'twit' is the definition.
The answer and definition can be both people as well as being singular nouns.
Maybe they are linked in a way I don't understand?
'organism spreads to consume upper-class' is the wordplay.
'spreads' is an anagram indicator (I've seen 'spread' mean this).
'to consume' indicates putting letters inside.
'upper-class' becomes 'u' ('u' can be similar in meaning to 'upper-class').
'organism' with letters rearranged gives 'ignorams'.
'ignorams' enclosing 'u' is 'IGNORAMUS'.
Can you help me to learn more?
(Other definitions for ignoramus that I've seen before include "Ignorant person" , "At the present time" , "One is not intelligent" , "One could be blissful it's said" , "one in a state of bliss?" .)