What is Diabetus?
1.
A mis-pronounced word by an old fat guy on a horse in a stupid commercial that a lot of people make fun of.
Stupid old people make up stupid words.
See
2.
Diabetus is a mis-pronunciation of the word diabetes.
It all started with Wilford Brimley. A spokesman for Liberty Medical.
Hi, I'm Wilford Brimley and I've got Diabetus
See