The act of placing one's thumb deep inside the rectum of a sexual partner with the intent to block all gushing and/or leakage from occurring.
by AstroRaptor May 20, 2021

When you are about to give her one last slap from behind and she turns around to catch it in her mouth and you ventilate her with your left thumb.
"man, this chick named urbu let me hit it last night and in the heat of the moment, I gave her the good ol' Kentucky plug!"
by AKGaskedForIt May 20, 2021

When one takes their thumb and puts in someone's anus. Based off of Kentucky Ballistics " stick a thumb in it "
by Zodeca May 20, 2021

A euphemism for a sex position in which an individual has a thumb stuck in their butt. This term was popularized in late May 2021 by YouTuber Brandon Herrera after his fellow YouTuber Kentucky Ballistics saved his own life by sticking his thumb in his severed jugular vein.
by RealMinecraftMaster May 20, 2021

by Shart Bait May 20, 2021

by Disco plug November 22, 2021
