twat waffle Share definition Flag a vagina that is so shriveled up that it looks like a defrosted waffle. Jo went down on Mary and thought he was eating breakfast. twat waffle by Lamifer September 13, 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