Crossword Genius

A light touch from banks kicking up a fuss (4)

Ross

I believe the answer is:

kiss

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'a light touch' is the definition.
(thesaurus)

I don't understand how the rest of the clue works.

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(Other definitions for kiss that I've seen before include "(Of snooker ball) touch gently; X represents it" , "x (that may be French)" , "Neck - peck" , "Smooch" , "Salute" .)

I've seen this clue in the Irish Times.
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