A much more expressive form of peng. Used when there are no other words to describe how good or attractivesomething or someone is.
1. "Have you met Molly? She's pengalengadingdong."
2. "Omg, this pizza is pengalengadingdong, I'll be thinking about it for weeks."
3. "Happy Birthday, Gwen! Hope it's pengalengadingdong!"