fucky Share definition Flag An adjective for something that isn't functioning properly, or something that is not quite right. Bloody antenna. My reception is all fucky. Your Christmas tree is all bent and irregular. It's fucky. fucky by Chris Leeson August 25, 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