hot ass Share definition Flag A person who is really good looking. Or someone with an extreamly nice ass. See also Nikki Aninno Damn that Nikki Annino is a hot ass hot ass by Matty Bo January 21, 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