When you discharge a firearm and the firearm explodes in your face and the only way to stay alive is to plug the shrapnel hole in your neck with your thumb until the ambulance arrives
1: Hey did you hear Scott’s fiddy blew up and he almost died?
2: Yeah, luckily he stopped the neck bleeding with a Kentucky plug
2: Yeah, luckily he stopped the neck bleeding with a Kentucky plug
by Tater Six May 20, 2021

The act of engaging in intercourse with your partner at the start of the annual Kentucky Derby horse race in an attempt to finish prior to the winning horse and jockey.
Dave: Hey Kyle, do you have your bet in for The Annual Kentucky Derby?
Kyle: Yeah, Sara and I have been practicing, and I think we can beat even Seabiscut!
Kyle: Yeah, Sara and I have been practicing, and I think we can beat even Seabiscut!
by fivewide May 6, 2023

by I don't know my real name... May 20, 2021

by Peesalot July 12, 2017

Sexual action involving the thumb in the womans Vagina with index and pointer spreading the Labia allowing the middle finger to articulate the citrous. the three fingers form a "K" (as in Kentucky) And thumb acts as a "plug"
I was watching my buddy scott's youtube and he said just "stick a thumb in it" sure enough I gave my GF the Kentucky Plug and had her in a euphoric daze
by SirShadowman May 20, 2021

A sex act between two people where some corn is frozen and slathered with butter. The male fucks the women doggy style while he takes the corn and puts it in her ass, the butter acts as lube.
by Jerry Longdick July 11, 2017

Sex position. Has to be Scott (Kentucky ballistics) thumb and in some way there has to be slap rounds involved.
by Ak gut May 20, 2021
