Gamma Delta Iota

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

Gamma Delta Iota/

God Damned Independent

One who is NOT a member of a Greek-lettered organization (fraternity or sorority).

Jenn was a Gamma Delta Iota/, until Der_Tommissar brought her over to the team for the big win.