Noun

1. The sexual practice of inserting one or both hands into the vagina or rectum of one's sexual partner.
   • 2003 August 17, Sean O'Hagan, “Sex on the brain”, review in The Observer, page 5,

     and comes to a climax of sorts (sorry) with – and here the more sheltered among you should avert your eyes – a girl-on-girl fisting scene.

Synonyms