A GDI is pretty much everyone who wrote a whiney bitch definition of fraternity.
GDI: Since I didnt get a bid from a fraternity because im fucking lame, I'll go be a bitch about it on urban dictionary.
The Urban Dictionary Mug
One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.
Buy the mug