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3.
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
by bonanks June 19, 2006
 
1.
Acronym: Do I Give A Shit?

Used when one is so completely ignoring other people's judgement, mocking, presence etc. that there is no time for further comment. Very dismissive.
A: That new girl of yours is a right old biffa, what you doing with her?
B: DIGAS?
A: She's ugly as...
B: DIGAS?
by Penicillin October 06, 2006
 
2.
If something diga, then it sucks. it's bad. it's...not good.
Hanson diga.
Richard Simmons diga ultimately.
Dawson's Creek diga.
etc...
by Brandon March 18, 2004