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1.
A Jepsie is someone who is a fanatic follower of Carly Rae Jepsen. Usually claiming to be her biggest fan.
They are a band of siblings that consider Carly a beautiful, amazing and perfect woman.

Many followers on the social networking sites claim to be a 'Jepsie'
Joe: "I don't like Carly Rae Jepsen."
Rob: "Get out, I'm a Jepsie."
by Bert961 May 25, 2013