Sure, there’s Grandma and Grampa, but there’s also Gammy, Bumpy, Dadoo, Gre-Gre, Kiki, Kerkel, Monga, Nee-Nee, Pots, Rah-Rah and Woo-Woo. Martha and Grant talk about the endlessly inventive names grandchildren call their grandparents...
Yadda yadda yadda. Newman! No soup for you! The 1990’s sitcom Seinfeld popularized these expressions and more. Check out this Paul McFedries article from Verbatim. This is part of a complete episode.