pisshead's pocket
The condition caused by excessive drinking the night before; handing over too many twenties resulting in a pocketful of small change. To qualify for pisshead's pocket the amount of change must add up to more than £10 (as displayed by Mylo the Don on any given Saturday morning. This may be abbreviated to pisshead's.
I've got a really bad case of pisshead's this morning - I'm jingling all over.