When, during sex, you shove your thumb up the recipient's asshole like it's a bleeding neck wound, kentucky ballistics style.
by definitely-not-a-fan May 20, 2021

by Anothertrenchcoat May 20, 2021

The act of using your thumb to seal your sexual partner's vagina while having anal sex on her period, as a way to not get your sheets dirty.
Man this bitch the other night... I don't know I guess it was her time of the month so I had to use The Kentucky Plug on her so I didn't have to wash my sheets in the morning
by Dryphu May 20, 2021

by ScioTv May 20, 2021

Whenever someone just puts a thumb in any kind of void that requires filling, including but not limited to: an anal cavity, your cousin’s genitalia, the eye socket of an enemy, or your own wound from an exploding firearm
by BasicBassist5 May 20, 2021

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."
Person #2 -"Probably doing the Kentucky plug, after that it will smell like dead fish carcases, a public pool and in some cases blood."
by Fuckeeandtheshittee May 20, 2021

The act of stimulating another individuals genitals and upon the point of climax, inserting the mastubator's thumb in the masturbatee's anus.
by PizzaPastaBeebateeBobbity May 20, 2021
