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1.
Tenderness and soreness a beginner guitarist experiences on the fingers of the non strumming hand (from holding down strings). Blisters can appear but usually abate after calluses develop.
Guy: I just started playing guitar a few weeks ago.

Girl: OMG finger me!

Guy: Not such a good idea...I've got some badass guitar fingers.
by grovecityfan1 August 07, 2008
 
2.
After the first time of playing Guitar Hero and finding your fingers moving to beats you here EVERYWHERE.
You play Guitar Hero?
Yeah, all the time!
Do you have Guitar Fingers yet?
by Curly Fry aka Last of the line August 28, 2008