When a female is on her menstrual cycle, but you’re too afraid to get your red wings so you stick your thumb in her vagina and stick your dick in her butt.
Johnny was gonna get laid, but Tina was on her period, so he gave her a Kentucky Plug.
While during intercourse, you "slap" your girl on the neck and then stick your thumb up her ass.
I'm going to give you the Kentucky plug tonight.
The act of stimulating another individuals genitals and upon the point of climax, inserting the mastubator's thumb in the masturbatee's anus.
Gurl you keep that up, i'm gonna give you the Kentucky Plug.
The kentucky plug is when you stick your dick into a pussy for an extended period of time.
Person #1 -"How long has those two been in there"
Person #2 -"Probably doing the Kentucky plug, after that it will smell like dead fish carcases, a public pool and in some cases blood."
The act of slipping a thumb in a girls ass while having sex Doggy Style.
Man, I'm gonna take home with me and slip her the Kentucky Plug
A sex move where you plug your thumb into your partner’s neck during sex. Sometimes can cause mild bleeding to initiate the move. SLAP rounds optional.
Me: Did you do the Kentucky Plug last night?
Brandon: Yeah I did but now I’m on trial for second degree murder.
A sex position in which the male blows himself up with his .50 cal and bubba's pissing hot reloads, and the female then proceeds to put her thumb up his ass
Oh yea baby, get ready for this kentucky plug