Top Definition
An ex's name so vile and foul that saying the name conjures an evil so dark and black that the sun is blotted from the sky and it rains blood for a full week. By uttering her demonic handle your tongue splits in two and rots from your mouth then you instantly hear all of humanity cry out with sorrow. Babies, children and small animals die once they hear her heinous name. El Diablo trembles at the smallest whisper of this being’s moniker. This foul being casts no shadow. You are warned, never mention that sick cruel name.
"Hey dude what ever happened to your ex (wife or girlfriend)? Wasn't her name..."

"STFU! Never mention 'she who must not be named' I'd like to keep my sanity for a little while longer, thank you."
by CERT May 07, 2014
5 Words related to She who must not be named

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