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Anyone over the age of thirty that faithfully watches and gets overly excited about the show "Glee".
Dave: "Dude! I can't wait for tonight's show! Brittany is doing Britney! I'm Gleeking out! Can I hang out and watch the show in your room with the other Gleeks? I'll make the popcorn!"

Ariel: "DAD! GROSS! You are such a Gleezer! Why don't you get a grip and go watch Dancing with the Stars in the living room with Mom?"
by Mizjames December 05, 2010
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Do you love glee? Do you clear your schedule for glee? Do your friends call you to watch glee? Then you are a Gleezer. glee gleek tv show music
Make a L with your left hand , hold your hand to your forehead and tell everyone your a Gleezer. glee gleek tv show music
by Shenirefas November 12, 2010
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