An exclamation used to acknowledge circumstances especially enjoyable or agreeable to oneself. It can also be used to acknowledge the awesomeness or excellence of an object or event.
antonyms: Bogus, Heinous
synonyms: Non-Heinous, Excellent
Origin: Trey Parker and Matt Stone's (South Park) first feature length film Cannibal the Musical (formerly known as Alfred Packer: The Musical). Not Xander Harris of Buffy the Vampire Slayer.
"The sky is blue and all the leaves are green. The air is as warm as a baked potato. I think you know exactly what I mean when I say it's a shpadoinkel day!"
"These double entendres are shpadoinkel!"
"Shpadoinkel ham mom!"