slippery finger

Giving thy loved one a tickle up the rat using 1 or more fingers.

the chinese boy, was giving her the slippery finger.

by fanny adams December 1, 2007

Slippery Finger Disease

This may happen when your girl asks why you asked another girl for bps.

Kylie: "Why did you ask my Best Friend for bps?"
Brycen: " I have Slippery Finger Disease."

by TheFantomReaper August 31, 2020