by Brdmn68 May 2, 2018

A Sex Position In Which The Thumb is Inserted Into Either The Anus Or Vagina. Done By The Partner Of The Thumbed.
by RangerPickleDick666 May 20, 2021

by Ineededibles September 13, 2020

by Fiddygopew May 20, 2021

To surprise someobe by inserting ones thumb into his/her ass. Can also be inserted into a vagina. (In memory of Scott's accident).
She was surprised by the Kentucky Plug.
by Stanley'sDildo May 20, 2021

When you slap a .50 cal sized loaf into a broad, then you slam your thumb up her cooter to make sure none of the demon seeds escape.
I fucked Karen last night; I gave her the good ole fashion Kentucky Plug. I’m more than likely going to be a dad now.
by Buster Posey Wide Open May 20, 2021

Oh bro I was with this girl last night and when I was about to nut I blew my 50 and stuck my thumb down her throat that's right I have her the kuntucky plug
by Dobs22 May 21, 2021
