All illness is due to the consumption of gluten. When a particularly nasty variant takes hold of an individual or group of individuals, they are said to have the Gluten Death Flu, or GDF.
Greg:I wanted to impress the boss.
Lamont:you really gdf'ed up! You douche bag
I cant belive this goddamnfucking shit!
That is one nice goddamnfuckingawesome sweater.
or you can abriviate it
You GDF homo!