A word used to describe anything inherently enjoyable to numerous people, something of high stimulation, high enjoyment and pleasure. This term is widely applicable, and can be used to describe almost anything, particularly hobbies.
Skyundoo Deeboo is something to say when ur friends are being complete idiots and don't know what it means. It will confuse them so hard you wont even believe it.
I will skyundoo deeboo in the fridge; I am going to skyundoo deeboo you in the balls.