Top Definition
Typically an all day Glee marathon in which gleeks watch episodes in bulk with few breaks.
Sara: "Hey Sarah! Want to go to the beach with me?"
Sarah: "Not now. Gleeathon. Can't stop. Must watch Glee."
#glee-a-thon #glee #gleek #glee-whore #gleebumps
by SarahLove92 June 23, 2010
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