Well you did attack him first with your "Gumbol Punch." Not a very smart move. Zeus is a pretty powerful guy. You don't run around in a toga and sandals without being able to kick a little ass.
He PEED on me.
His argument could be that his sacred fluids were preventing you from dying. It will be very difficult to prove anything malicious.
He ate Aparagus, Dude. Asparagus!! Do you know how that feels?!!!
Actually, no. Believe it or not, in 25 years of practing law I've mananged to stay away from getting myself peed on by Greek superheroes.