(of food) extremely tasty; delicious. (of a person) very attractive.
humorous alteration of scrumptious, popularized by Roald Dahl’s novel The BFG (1982).
“This food is just Scrumdiddlyumptious”
With regard to, or at the level of, orders in a taxonomic system; according to an ordinal number, system, etc.; on an ordinal scale; with regard to order.
Mid 19th century; earliest use found in The Edinburgh Review. From ordinal + -ly.