Crossword Genius

Approbation for funny anti-slug cartoon (15)

Ross

I believe the answer is:

congratulations

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'approbation' is the definition.
The answer and definition can be both related to communication as well as being singular nouns.
Perhaps they are linked in a way I don't understand?

'funny anti-slug cartoon' is the wordplay.
'funny' is an anagram indicator.
'anti'+'slug'+'cartoon'='antislugcartoon'
'antislugcartoon' with letters rearranged gives 'CONGRATULATIONS'.

'for' is the link.

Can you help me to learn more?

(Other definitions for congratulations that I've seen before include "praise" , "good show" , "well done" , "Cliff Richard hit" , "Best wishes" .)

I've seen this clue in the Sydney Morning Herald.
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