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1.
Referring to an incident where someone stimulates a woman with their finger. Often done under the influence of alcohol and in inappropriate situations like a bar, theme park rides, movie theaters, buses, the club or in public. Another term for fingered.
Jason (to a friend): I just finger blasted this bitch in the stairwell!
by Tron Jivolta May 27, 2006
 
2.
act of fornicating with finger
nilla got finger blasted in the back of richs jeep chreokee by steven
by steven anthony sladen January 23, 2009