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One who does not worship at the alter of Glee. Often proudly and vocally so.
Dad-figure (*gripping lapels*): This Glee programme. I just. Don't. get it? What's it about?

Son: I don't care that you don't get it.

Daughter: Yeah Dad. Stop being such a Gleetheist.
by Inside Guide to London May 19, 2010
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