greasy pinky 

When you finger a black girls butt

Yo man I hooked up with that hoe and Got me a greasy pinky

greasy pinky by Garry Wayne March 10, 2015

greasy little pinky 

An insult intended to be used to describe authority figures, or other adults that are referred to as Sir or Ma’am

"You greasy little pinky" said the boy to his german teacher.

greasy little pinky by Candy October 2, 2003