When you stick a 50cal into a girls "crevices" and pull the trigger. It will not fire, but will explode and only damage the man's thumb.
"Scott sure did perform the Kentucky Plug with his wife that night! Sure hope his thumb is still ok..."
by Pooptit May 20, 2021
Get the Kentucky plugmug. by Firemandrill13 May 20, 2021
Get the Kentucky plugmug. 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
Get the The Kentucky Plugmug. The act of jamming a .50 BMG up a participating partners asshole with your thumb as deep as you can. Then, lean in and peer into their asshole. Now pucker up and have your partner push that kentucky plug out with all their might, allowing them to vibe check your orbital bone.
by Liptondippin’69 May 20, 2021
Get the kentucky plugmug. 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
Get the The Kentucky Plugmug. A sex potion where you stick your thumb into the anus of ones lover then explode your weapon all over their front.
by lloydstrife May 20, 2021
Get the the kentucky plugmug. by Gage-. May 20, 2021
Get the KENTUCKY PLUGmug.