Top Definition
A vampire of the Twilight saga. Didyme was the wife of Marcus. She was a member of the Volturi until she was killed by her brother Aro. This death greatly upset Marcus and caused him to become an apathetic being.

- gifted with the ability of making people happy.
Person 1: She is such a didyme. I cant help but smile around her.

Person 2: Talking of twilight.....
by vickyvictoria101 April 09, 2010
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