Cat with bladder the size of an oil tanker – distinctly disgruntled with the snow

Cat with bladder the size of an oil tanker - distinctly disgruntled with the snow he refuses to use the litter tray and has been outside once for 2 mins at 10 this morning. The snow was up to his chin. He raced across the garden like a speedboat complete with bow wave and jumping. It's now 7.30pm. He's been eating and sleeping all day...