A Kentucky plug is where somebody wraps their thumb or entire hand with a shirt or cloth of some type and proceeds to insert thumb into the rectum.
Man 1: He dude Beth let me do the Kentucky plug last night.

Man 2: You need some help
by SquirrelFuu May 20, 2021
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Getting your brownie-trap plugged with a sizeable life-saving thumb.
Bro last night me and Megan Fox hit it off, she surprised me with the ol' kentucky plug!
by ScioTv May 20, 2021
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When you stick your thumb into a person's hole or orifice.
I heard you gave the HR girl the Kentucky Plug yesterday. You probably should have washed your hands before shaking the bosses hand though.
by The wolf26 May 20, 2021
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Shoving your thumb in your ladies ass, just as fast and hard as Kentucky Ballistics shoved his in his neck.
I Kentucky Plugged my misses faster than a slap round
by SamTanks May 20, 2021
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The plugging of your partner's hole with a thumb. Results achived via 50. Caliber SLAP rounds.
MEGAN AAAH~~ Please stop the Kentucky Plug! I- AAAAh (proceeds to cum)
by Oliv3 May 21, 2021
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Using your thumb to finger a vagina.

A reference to Kentucky ballistics "my 50. cal exploded" in which he stopped the bleeding in his neck using his thumb.
yo dawg i was going down on this girl last night and i gave her the Kentucky Plug, she was moaning like hell after that.
by Psoon Man May 20, 2021
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Inserting ones thumb into the vagina or anus during sex

A refrence to the Kentucky ballistics video "my 50. cal exploded
Fuck baby hit me with that Kentucky Plug
by Psoon Man May 20, 2021
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