awful Share definition Flag 1. Extremely bad or unpleasant; terrible 2. See sega Websites owned and operated by sega freaks are often extremely awful and filled with animated gif files and size 72 fonts. awful by Sega Slayer February 10, 2007 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