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1.
Acronym for What the Freak Did I Just Watch? An exclamation after viewing something that makes little or no sense. In less polite company, one can substitute an f-bomb in for word "freak".
Via instant Message:
Your Friend: Dude, check out this vid: (some youtube link)
You: WTFDIJW?
by Bobz0rz April 11, 2011