(v.) The act of stimulating a female's genital area by inserting however many fingers her gash can take, followed by a ferocious gyrating or pumping of the aforementioned fingers. Not to be confused with its gentler cousin, the finger bang.
"He finger blasted me so hard, I swear to God he ruptured my uterus."
by K- September 10, 2006
To jackhammer a womens minge, used to as a gentlemens segway into the shocker.
I went to Rick's on Garland in Spokane last night and met a women with a dead tooth, so i took her outside and fingerblasted the shit out of her in her bitchin camerow.
by Geoff Nailer November 11, 2006
To slam your fingers with guided precision into the depths of a man, woman, or animal's pussy or puckering anal cavity with the ferocity of a thousand foot pounds.
Dude, last night I was cow tipping and got a sudden urge to fingerblast the head bull...surprisingly when he awoke he was rather pleased with my skill.
by Kszerian May 20, 2003