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Tennantism is a word coined by fans of the Scottish actor David Tennant on the david-tennant forums meaning the movement of having a reverence of/obsession with David Tennant.
'Have you heard about that Sisterhood of Tennantism? They're nutters.'
'Tennantism drove me to watch Casanova six hundred and seventy times.'
by Yarr Harr May 24, 2007
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