fisting
adj1
Relating to or involving the sexual practice of inserting a hand into a partner's body.
noun, adj — 2 senses
/ˈfɪstɪŋ/
Lifestyle, Sex, Sexuality Slang, Vulgar The act or sexual practice of inserting one or both hands into the vagina or rectum of oneself or one's sexual partner.
Relating to or involving the sexual practice of inserting a hand into a partner's body.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.