fucknugget Share definition Flag A general insult that can be applied to anyone you find disagreeable. Ostensibly, a nugget of fuck. Your dad is such a fucknugget. fucknugget by josh February 15, 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