A bump/raised hard bit of skin on the side of your finger where you hold a pen/pencil caused by writing for a long time. (like some FOBs do)
by FOBby John May 28, 2008
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FOB finger • Fob • fob nozzle • fob off • fob advance • Fob-bi • Fob-bucks • Fob Cake • FOB City • Fob Clog