1. A period of self-pleasure, masturbation, or sexual practice involving ones hand that lasts over the Christmas period. Usually performed by men who hate christmas, and their wives.
2. Shaking your curled fist at a motorist, swearing, and questioning their sexual preference, over the Christmas period. Can also be told to Police Officers.
1. 'After the christmas fistivities, my arm is four times bigger.'
2. 'But Officer, I was just giving him the Christmas Fistivities.'
Fistizio is when ur partner (the girl) gets on a full hand stand. Then you proceed to fuck her anally for several hours straight. Then when you are about to finish you push her over. Then when she goes to get up you cum in her eyes