Bareback Share definition Flag Bareback: Vaginal intercourse, anal intercourse, or oral intercourse without the use of a condom. Frank was bareback when he had sex with Francis. Bareback by ~Keyona January 9, 2004 Words you can keep railfan mug chonk mug chud mug based mug 67 mug slime mug mogging mug chopped mug thot mug glazing mug huzz mug yams mug larp mug unc mug cracked mug simp mug baddie mug bop mug lolcow mug