dinlo Share definition Flag The true definition of this word is slow or retarded, it is a Romany (gypsy language) word that has been adopted widely by the east coast. "You are such a dinlo sometimes!" dinlo by Tony L March 1, 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