The condition of your hand (or hands) after too much masturbation.
Its a pain in the joints of your 3 middle fingers, Rarely in the thumb or pinky.
Guy: Dude I cant help you move
Guy 2: Why not?
Guy: Because my hand is fucked
Guy 2: What did you do with it?
Guy: WHAT DIDNT I DO WITH IT?!
Guy 2: Fap Fingers?
Guy: Yeah...
by RyaTheNeko December 06, 2010
When your fingers are stuck in fap-position after an especially extreme session of fapping.
John: Dude what's up with your fingers?
Adam: I got fap finger man. Damn Angelina Jolie movie marathon...
by Kev Butler July 22, 2010

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