Sozzled, sneak swig showing lack of coordination (9)

I believe the answer is:

gawkiness

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'lack of coordination' is the definition.
Although both the answer and definition are singular nouns, I cannot understand how they can define each other.

'sozzled sneak swig' is the wordplay.
'sozzled' indicates an anagram.
'sneak'+'swig'='sneakswig'
'sneakswig' with letters rearranged gives 'GAWKINESS'.

'showing' acts as a link.

Can you help me to learn more?

I've seen this clue in The Independent.

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