Ringpiece Share definition Flag The anus, specifically the brown eye. Often used as an insult. UK English. "Fred is a bit of a ringpiece." "Lick my ringpiece." Ringpiece by Frank November 23, 2002 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