1.
The highest possible form of pwnage. It's got all the
humiliation present in pizzowned, plus the
humiliation equivalent of getting jizzed on hardcore like you're in the finale of a porno flick. Being pjizzowned is so bad, that to date, it is believed that no mortal has ever managed to do it to anybody in this context.
2. To literally be jizzed on like in the finale of a porno flick.