It's a relatively new expression that means something big and fun is going to happen slowly but surely. It's an updated version of Badabing Badaboom which basically stands for something something accomplished. It's mostly used in "Party" situations.
A close synonym in slang is "Damn Straight"
Adrien: tonight we are gonna party good!
Kamal: Dilly-ding Dilly-dong !
20👍 3👎