Top Definition
Made famous by Dan Brown's book "The Da Vinci Code". The orginization was created as a fraud in the late 1960s, though it continues to exist as a myth.
"Did you know Isaac Newton led the Priory of Sion"
"Dude, that ain't real"
by Momoka September 27, 2006

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The Priory of Sion was/is a brotherhood that keeps/kept an ancient secret concerning the heritage of Jesus Christ and The Holy Grail. They established the Knights Templar and cherged them with excavating the site under Herod's Temple in search of the grail itself.
He was the leader of the Priory of Sion.
by skinanbones08 March 08, 2005

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

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The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt