Top Definition
A fennigbyte (commonly abbreviated FB) is a measurement term for data storage capacity of pornography. The value of a fennigbyte is equal to that of a terabyte (1000 gigabytes), but is based upon the storage medium being filled to the capacity solely with pornography.
I know this guy who has a fennigbyte of porn on his computer!
by Bob Langelaan November 27, 2007
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