When you get shamoosed it can mean plenty things. You may be getting piss drunk, fail an exam, shit your pants, or plain just have a bad day.
Kyle got Shadooed by that new RC cola he drank
This is an imaginary cult name. Designated by prince saddooooo and followed by many.
Shadoo has been notorious to drop tvs and watch them inverted off the floor.
It also can be used to imitate: youdonlikefatbum
You just have to scream “shadoooo”