guffy Share definition Flag An term used in Scotland to define an English person. Fuck off back to Englandshire, you guffy cunt!! guffy by Freedom!! November 22, 2010 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