generally, it refers to the placing of a finger into the "less than benevolent" smelling oriface of a female; (alt. def. # 1)- the act of placing one's pinky into an asshole; (alt. def. # 2)- the act of fingering a female; in any of these definition's, the notorious finger is commonly referred to as the "stinky pinky", especially if it happens to be the pinky finger or if it smells pungent

When you finger a female and smell your fingers and they smell like fish.

The pinky fingure after applying the shocker to some bitch.

The phenomenon that occurs to the fingerer of someone who has just been fingered. Also a good way to ensure that shit aint stank before going down on it. See also not so stinky pinky

With a butthole virgin, put in your pinky before putting in your cock (unless they are the same size); she will need to work her way up in grandeur (size)

What your pinky smells like after you have been fingering a girls pussy.

This is when a girl slips her pinky in your ass while giving you a blow job.When it happens dont say anything, hold judgment till the job is done.......