Australian /NZinformalPay money, especially reluctantly:he parted up with $10,000 over that period...
If the petrol companies cannot provide the simplest amenities, when you are parting up with sixty pounds of your hard earned cash, then they will soon be a thing of the past.
He 'ad money, he just wouldn't part up with it.
When the lads put the 'hard wood' on him he parted up with the £1.