Definition: "Meiies" is a term in the German language, which translates to "sweets" or "cookies". It is often used as a slang term for sweets that are not typically found on their own. The word "meiwies" can also be derived from the German word "Mew", which means "sweet" or "delicious." So in summary, it's a word that's often used to refer to sweets that aren't usually eaten alone.