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A word used directly after/as a result of seeing something strange, random or non-sensical.

Common mistakes include:
- Spelling "wat" in the conventional, grammatically correct fashion. "What". This is incorrect.
- Including a question mark.
Bob: When i went to the air-conditioning store i found a rabbit and put it in my sock for yesterday.

Steve: wat is this i dont even
by ScottDouglas April 30, 2011
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