Green’s Dictionary of Slang

pissballing adj.

[piss-ball about v.]

mean, contemptuous.

[UK]K. Waterhouse Soho 151: ‘How did you get on at the Groucho, James?’ ‘Pissed on from a great height,’ said James. ‘Yeh yeh, I got caught in it too.’ ‘I’m not talking about the rain, I’m talking about my stupid pissballing editor.’.