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To insert one's finger into one's anal orifice in a forceful, violent fashion.

An admonishment or command of instruction created and delivered by esteemed TigerBoard's 6'2", 195 pound SecondCityTiger to discourage a rival; often, a stupid Beaker.

GFY
GFBY! = Go finger blast yourself
by TXStiger January 03, 2008
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