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.
The name of a candy bar in the original "Charlie and the Chocolate Factory." If used now, most likely refers to something being wonderful and/or delicious.
Last night I spiked the punch. Unfortunately, it was not as scrumdidlyumptious coming up.