Mel's Excuse for Punching Oksana: Quitting Cigarettes Made Him Crabby Maureen O'Connor · 07/22/10 01:15PM Mel Gibson's alleged excuse for breaking ex-girlfriend Oksana Grigorieva's teeth with his fist: He was crabby because he was quitting smoking. He probably thought she was a giant cigarette the day he threatened to set fire to her home. [TMZ]