When you take a dump that smells so bad the exhaust fan turns itself on.
Dude - I just took a dump that sparked a fansturbate!
by CaryAD April 23, 2008
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Loudly and obnoxiously proclaiming your fandom of something.
"Kill la Kill is great, but all the fansturbating is turning me off it."
by Volkodav March 15, 2014
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