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1.
A term coined by a truly awesome English teacher. Mooktastic is the adjective form of "mook". Basically, it describes things that have the characteristics of a "mook" or dumbass.
This conversation is so dumb, it's "mooktastic"!

He: Your hair is, like, mooktastic!

She: Screw you. Your face is mooktastic!
by Mightyguppy December 10, 2009