Twinkie Defense Definition and Legal Meaning

On this page, you'll find the legal definition and meaning of Twinkie Defense, written in plain English, along with examples of how it is used.

What is Twinkie Defense?

n. a claim by a criminal defendant that at the time of the crime he/she was of diminished mental capacity due to intake of too much sugar, as from eating “Twinkies,” sugar-rich snacks. The defense was argued successfully by a defense psychiatrist in the notorious case of former San Francisco County Supervisor Dan White, who shot and killed San Francisco Mayor George Moscone and County Supervisor Harvey Milk, resulting in White’s conviction for only manslaughter instead of murder.