Disorderly, hungover husband leaves nick with half-cut male (12)

I believe the answer is:

ungovernable

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'disorderly' is the definition.
(thesaurus)

'hungover husband leaves nick with half-cut male' is the wordplay.
I cannot quite understand how this works, but
'nick' could be 'nab' (both can mean steal) and 'nab' is found within the answer.
This explanation may well be incorrect...

Can you help me to learn more?

(Another definition for ungovernable that I've seen is " Impossible to control".)

I've seen this clue in The Times.

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