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1.
One who must compulsively handle or touch every item when entering a retail establishment, never with an intent to purchase the merchandise.
1. The proprieter of the local "Sunglass Hut" hated Barbara, as she was a known fingerfucker and would smudge all the lenses of the Prada eyewear and leave without spending a dime.

2. Retail managers hate fingerfuckers who take up sales clerk time, put their hands on everything, and then walk out.
by sour-puss June 08, 2007
 
2.
One who practices in sexual activity using their finger. Either by giving the "two finger salute" or the "two in the pink, one in the stink" methods.

A finger fucker can fuck either males or females as both have pleasure holes.
OMG!!!! That chick tried to finger fuck my ass while sucking my dick!!!! She is a dirty finger fucker.
by Apples for the man January 13, 2009
 
3.
Someone who goes into a jewelry store, tries on all of the rings and then leaves without buying anything.
You spent an hour helping that customer without selling her anything. Was she a finger fucker?
by Boscoe September 10, 2009
 
4.
commonly used to describe most beat-em-ups. aka streetfighter, mortal kombat, soul blade. Due to the state of your fingers when you finish a good sesion of kicking the shit out of your mate with ryuor sub-zero.
daz: dude you wanna game of street fighter?
me: shit mate you know those games are fingerfuckers,and i was going to sort out my thimble colection later!!!
by joe kerr November 28, 2006