Kentucky Plug

The act of sticking your left thumb into either a person's asshole, vagina, mouth, ear canal, or nares. This provides extreme pleasure for the "victim" and also for the person committing the act, as it is done in honor of the greatest human being on earth, Scott.

"I heard you and Jane got a little risky in bed"
"Yea, I gave her the good old Kentucky Plug last night, and she is in love with me again"