"Wow that juicy worm was scrumpdiddlyumptious"
"These fire ants and nice, crunchy and scrumpdiddlyumptious!"
"Prawn crackers?! Mother you did not go there! They are not scrumpdiddlyumptious!! grrrr"
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