Barebacked

Origin

bareback + -ed

Full definition of barebacked

Adverb

1. May refer to any of the senses of bareback
• 1912, J. A. Graves, Out of Doors--California and Oregon Chapter , Just as our meal was ready, our roustabout came into camp, riding one of the horses barebacked, with only a halter and leading the other two.
• 1993, February 26, Josefa Smith, The Hothouse, Roote condones, even encourages sex "in the interest of science," but he warns, "Never ride barebacked and always send in a report."