FISTING

To strike with the fist.

"...may not score a point with his open hand(s), but may score a point by fisting the ball. Damian Cullen. "Running the rule." The Irish Times 18 Aug 2003, pg. 52."

To close (the hand) into a fist.

To grip with a fist.

To break wind.

The sexual practice of inserting one or both hands into the vagina or rectum of one's sexual partner.