Wiktionary
a. 1 dizzy or confused due to repeat blows to the head. 2 Behaving in a bewildered, or dazed manner.
Wikipedia
Punch Drunk was a British sitcom created and written by Clayton Moore. It was produced by Colin Gilbert of The Comedy Unit, BBC Scotland.
The show ran for 1 series of 6 episodes in 1993 on BBC1. The first episode was directed by Colin Gilbert and the remaining five by Ron Bain.
It starred Kenny Ireland as Vinnie Binns, the owner of a boxing gym, who discovers a young prospect in Hance Glover (John Kazek) after spotting him perform in a pub fracas.
Both Vinnie and Hance hold a candle for Vikki Brown ( Diana Hardcastle), the girlfriend of the head of the Doctors Against Boxing organisation, Norman Banks, played by Jonathan Kydd.
Vinnie's seedy boxing arch-rival is Hunter ( Sean Scanlan) whose plooky sidekick is Slug (Gilbert Martin).
Other characters were boxing trainer Neillie ( Jake D'Arcy), Hance's mother, Mrs Gordon ( Claire Nielson), and Danny, a slow-witted boxer at the end of his career, played by Grant Smeaton.
Usage examples of "punch drunk".
I just got enough of his yap and I ached and bled and maybe I was just a little punch drunk by this time.
I was getting punch drunk from it until a hotel with the right price on the sign invited me into the shade.