The act of putting ones thumb in the vagina of a female partner to stop what one thinks is life threatening bleeding because of all the growing and whinging going on generally administered once a month.
She don't know it yet but depending on the severity she might end up getting the "Kentucky Plug" tonight.
The Kentucky Plug is a sex position where the man uses his left thumb to finger his partner, and the woman uses her left thumb to finger the mans ass. this is typically preformed with one person sitting on their bottom with their knees up, and the other infront of them squatting down. However, it does not need to be in this position to qualify as a kentucky plug.
Dude1: hey bro what happened last night? You didn't answer any of my calls.
Dude2: sorry, i was busy kentuckyplugging that girl.
"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