An expression of pure joy, glee, happiness and mirth. Taken from the unnamed Jawa in Star Wars: A New Hope, who upon realizing he had just immobilized R2-D2 with his paralyzing blaster, happily exclaimed "Ooteedee!"
An expression derived from Something Awful portraying Gollum from Lord of the Rings as a hired thug for the Nazgul, given the task of inducing an abortion in Lady Galadriel. The insinuation is he will use all necessary force.