Crossword Genius

Inappropriate sexual act involving G-string? (5)

Ross

I believe the answer is:

grope

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'inappropriate sexual act' is the definition.
The answer and definition can be both to do with social activities as well as being verbs in their base form.
Maybe there's an association between them I don't understand?

'g-string?' is the wordplay.
'string?' becomes 'rope' (I have seen 'string of pearls' mean 'rope' so perhaps 'string' could also mean 'rope').
'g'+'rope'='GROPE'

'involving' acts as a link.

Can you help me to learn more?

(Other definitions for grope that I've seen before include "Search blindly" , "Search by hand" , "not a nice feeling" , "Feel uncertainly along" , "touch up" .)

I've seen this clue in The Independent.
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