The act of using a thumb, (left thumb preferred), to prevent leaks. Typically referred to when using it to stop the flow of blood from leaving the body.
My wife ran out of tampons last night, and had to use the Kentucky Plug until I could get back from the store with more.
A sex position in which you use Scott from Kentucky Ballistics thumb.
I gave her the kentucky plug last night.
When you have a gun bunny over and she lets you put your thumb in it.
Man I had my girl over after I went to the range and she was so excited she let me do the Kentucky Plug!!
When you stick her thumb up her "special hole"
"Im gonna give you the Kentucky plug, baby."
"Ohhh yeah daddy!"
When u blow ur thumb off with a 50 cal and then shove it up scarlet Johnson’s ass.
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
The act of inserting your thumb into your lover's "bloody gash" while firing a .50BMG one handed.
Tammy Lynn was ecstatic when she heard Bubba Dale had plans to give her The Kentucky plug later.