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A female that frequently spoils books, movies, tv shows, and news without concern or regard for others. They will often do so in person or through social media.
My sister is a spoiler queen. I can’t watch anything without her blabbing the ending.

I heard from the spoiler queen that you’re pregnant.

The spoiler queen told me about the surprise party.
via giphy
by I_caveman August 21, 2019
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