Crossword Genius

Agent holding information back from jerks playing golf (4)

Ross

I believe the answer is:

yips

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'jerks playing golf' is the definition.
Although both the answer and definition are verbs in their -s form, I cannot understand how one could define the other.

'agent holding information back' is the wordplay.
'agent' becomes 'spy' (spy is a kind of agent).
'holding' means one lot of letters goes inside another.
'information' becomes 'i' (common abbreviation for information).
'back' says the letters should be written in reverse.
'spy' placed around 'i' is 'spiy'.
'spiy' backwards is 'YIPS'.

'from' is the link.

Can you help me to learn more?

(Other definitions for yips that I've seen before include "Yelps" , "nervous reaction" , "Golfer's affliction" , "Nervous twitching in a golfer" , "Nervous tension in golf" .)

I've seen this clue in The Irish Times.
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