Source: The Absolute Best GIFs
Stashed in: Zombies!, Hugs!, gifs, Montage, deviantART
This points to big trouble.
It's more horrific if several fingers have been zombified: http://meiio.deviantart.com/art/Zombie-fingers-303868072
More Zombie Fingers:
That last one looks like the Zombie wants a hug.
Daffy Duck wtf sheesh gif
"I'm a get you ...and lick you to death!"
Young Johnny Depp gif
Video Game Logic Is Seriously Flawed