2 definitions by know13dge

The act of replacing one's fingers in a woman's vagina with one's member into said woman's vagina.
Mike: How'd things go last night with that sea cow from the bar?
Jimmy: Excellent, turned off the lights, commenced fingerblasting, then threw in the crimson switch.
Mike: That's deplorable.

Camille: That is NOT your finger!
by know13dge May 27, 2010
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The act in which a male inserts two or more fingers as far as possible into a woman's vagina, then pumps the fingers back and forth vigorously until the female blasts her sweet poonani juice all over the landscape.

See also: Crimson Switch
Dave: How'd it go with Lisa last night?

Lurch: Great, I spent a hot minute fingerblasting that shit.

Dave: How was the cleanup?

Lurch: It was okay, mostly got on my face.
by know13dge June 2, 2010
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