GDI
An insult used by pretentious idiots in Greek organizations to try and make those outside of their membership seem "beneath" them. Pretty much as childish as it gets.
The frat boy called the non-Greek student a "GDI". The non-Greek student proceeded to laugh at the immaturity of the frat boy.
GDI by Donald Scum October 14, 2018
Get the GDI mug.