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
Get the mug
Get a Gamma Delta Iota mug for your boyfriend Paul.

Available Domains :D