look up any word, like hipster:
 
1.
a. a woman who digitally masturbates with intensity
b. a term of insult, especially to a man
Elise doesn't use vibrators as she's quite the accomplished fingerbanger.

Hey, you fuckin' little fingerbanger! Get your Geo Metro out of my driveway!
by Melonmuncher February 26, 2006
 
2.
A male/female, whos only quality is a nice orgasim through the finger.
by fin - gir- bang - er August 30, 2003
 
3.
While attempting to fist a sexy coworker you inadvertently
slam your finger against something extremely rigid and firm.
IE: Kate is the biggest finger banger in the office;
She accidently finger banged Ryan while attempting a reach around. see reach around
by John,April,Katie,Kate&Ryan December 29, 2005