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The art of farting into your hand, cupping it and thowing it at an unsuspecting persons nose.
I just threw a finger biscuit at the back seat passengers.
by Gunns March 19, 2008
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The nasty junk that rolls up between your fingers when rubbed together.
That gross guy picked his ear and got his finger biscuit in my ice cream! Ewww
by Plac3b0 May 04, 2018
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