They are the color blue.
Double Income No Kids
Skitta-marink-a-dink-a-dink doesn't mean anything. It is just a made up word/phrase to go with the song so deal with it!.
dink is a commonly used name for a African American child who is fat and ugly
Net Shots (in New York Times Crossword Puzzle July 10, 2010)
DINK stands for Double Income, No Kids. Married couples who are or choose to remain childless.