If something diga, then it sucks. it's bad. it's...not good.
Richard Simmons diga ultimately.
Dawson's Creek diga.
Many definitions include,
1. Casey be sittin over der
2. Your very excited
3. Your extremely stressed out you stick your head out the window of a car
4. Casey be real hungry
5. Mom is just sittin over dere
diga diga be sitten over dere