making a gesture in the shape of a gun with your hand, and proceding to pretend you are shooting someone. Usually perfected by people in their mid-30's
"Man, that facker started finger blasting me at the party like he thought he was cool."
The act of using one or more fingers to slide your phone out of your pocket when sitting down, in a cramped spot or when wearing tight clothing.
Steve-"Move over i cant answer my phone."
Dave- "Dude just fingerfuck it out of your pocket. "
Steve- "What?"
Dave- "Yea just get a finger in there and just fingerfuck phone outta there."
Slippy Finger - after the performing the art of hand sex on a lady, one may be left with a rather moistured and smelly finger. Thus being slippy finger.
" Dude i just poked that girl over ther and she gave me real bad slippy finger "
After eating many snack products one might be found. It refers to the thick "flavor" powder that gets stuck to your finger after eating that style of snack food