A sex position in which a man sticks his thumb into a women’s ass, vagina, or other in order to sexually stimulate her.
by Something Or Other May 20, 2021

When you like the guntuber Kentucky ballistics plugs you thumb up his/her genitalia as far as you can and as hard as you can
by Muted.soilder May 20, 2021

by blocky3321 May 20, 2021

When your girls on her period so you stick a thumb in it to stop the bleeding while you hit the brown eye
by NotAKdaddy May 20, 2021

Brandon Herrera : hey I heard u got off with the girl from avengers last night
Me: ye man we did the Kentucky plug
Brandon Herrera : yo how did u get his thumb
Me: ye man we did the Kentucky plug
Brandon Herrera : yo how did u get his thumb
by RYDO McShagger May 21, 2021

Referring to the incident in which Scott from Kentucky Ballistics had to shove a thumb into his neck after sustaining life-threatening injuries caused by an accident involving some very hot slap rounds, a butt plug shaped like a thumb for a slapping experience!
by GunsIsGood May 20, 2021

"if the kentucky plug is not an actual sex position on Urban Dictionary yet, you guys have to make it one, i wanna be able to log on to Urban Dictionary an hour after this video goes live and see it there" Brandon Herrera, 2021
by tatawladi May 20, 2021
