butter face Share definition Flag n. A girl who is hot, except for her (but her, butter) face. If J.Lo had her face torn apart by wild dogs, people would call her a butter face. butter face by Ryan November 11, 2002 Word of the Day on July 13, 2009 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