shiga diga 

a slang term meaning lets go, when asked to go do something, you say this word. Or can also mean you agree with something that was just said. Also could mean you are very excited about something.

"Yo, that was tight"
"Shiga Diga"

shiga diga by Jimmy May 28, 2003

shigadig 

To understand, to make sense of something

Person 1: Meet me at 3pm sharp at the spot, you shigadig?

Person 2: Yea, yea, I dig.

shigadig by cutee January 28, 2008