Top Definition
A fictitious greek name referring to students that are not part of any greek organization. It stands for "GDI", or "God Damn Independant"
"I got a custom greek sweatshirt with the letter Gamma Delta Iota becasue I feel like being a smartass."
by Snuffleufugus March 31, 2006

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The Urban Dictionary Mug

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The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

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