Mr Teepa-Moon bled to death after being stabbed once in the neck with a knife from his own kitchen.
The knife penetrated 9.5 centimetres and severed his left jugular vein and carotid artery.
After a day of drinking with relatives at their home, Paton and her partner had a fight in their hall where she suffered facial injuries.
Paton said she broke free and ran to the kitchen where she grabbed two knives but dropped one.
She said she got the knives out because she was scared he was going to give her more of "a hiding''.
Mr Sharp argued she did not have murderous intent but was acting in legitimate self-defence during a frightening episode of domestic violence.
Paton admitted the knife was in her hand but said during a ``tussle that went wrong'' it was an intoxicated Mr Teepa-Moon who pushed the blade into his own neck.
She then fled the scene and ran for three hours in bare feet until she got a lift from a truck driver to Opotiki - about two hours north from Gisborne.
Crown Prosecutor Clayton Walker said Paton was not acting in self-defence but grabbed the knives out of anger.