Tappin Share definition Flag To penetrate, as in sex. 1. I was tappin that girls ass last night. 2. Sally straped it on and was tappin her bitch. Tappin by Kerrde October 21, 2003 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