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Much like the word fanny bandit which refers to people taking it up the ass, or giving it to some one up the ass in a homosexual way, a fanny biscuit is a fanny bandit but that person is much more lame.
yo amir is out there telling some corny jokes to nabil and acting like a tool, man what a fucking fanny biscuit.
by TheRussianBear August 17, 2007
The female equivalent of 'smegma'
"She hadn't washed her pants in days, they were full of fanny biscuits"
by hiyalove April 11, 2010