When something is scrumdidlyumptious, it is beyond scrumptious. It is absolutely revolutionary. It is far more great than anything else to ever be compared to it. Being scrumdidlyumptious is the ultimate superpower. If one obtains scrumdidlyumptious powers, you are God. No, you are above God. You are the God of Gods.
something with a superbly fantastic taste that leaves you so speechless, you start talking in Dr. Seuss-like words; tending mostly towards chocolate-related foods; originating from Willy Wonka and the Chocolate Factory
"How's that chocolate bar?"
"Ohhh, it's scrumdidilyumtious!"
"How was your meal?"
"It was scrumdidilyumptious."
mmmmm...those children tasted scrumdiddlyumptious
mmmmm...that beer was scrumdiddlyumptious
mmmmm...your mom was scrumdiddlyumptious
mmmmm...that sex was scrumdiddlyumptious
you get the picture