Top Definition
When a poster on an internet message board starts a new thread that inadvertently bombs, and the said poster disappears never to come back, he pulls a Fergasun.
"Oh man, did you read that thread on how to bang sheep?"

"Yea man, he (the thread starter) really pulled a Fergasun huh?"
by Chomerics August 06, 2007
6 Words related to a Fergasun

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