by Kentucky man May 20, 2021

A sex act where you shove a thumb in it(it being any hole) the same way Kentucky Ballistics shoved a thumb into his wound after his gun exploded.
Guy 1: I gave her the Kentucky Thumb last night
Guy 2: How'd it go?
Guy 1: Well I stopped her bleeding from her period
Guy 2: How'd it go?
Guy 1: Well I stopped her bleeding from her period
by A SLAP round May 20, 2021

Putting a thumb in your anus to stimulate the vasovagal response to the point to slow your heart rate down to prevent shock or death from bleeding, can also be used for pleasure also.
by Nightmed May 20, 2021

extending the first joke further than it should be, far enough to the point where it becomes irrelevant or unfunny. first scene in jojo's bizarre adventure.
by terrobite January 9, 2019

by bootyslammer777 June 9, 2019

+"hey dude"
-"what"
+"look at your finger"
-"y?"
+"looks like an "imposter" from the internet-breaking Among Us game"
-"what"
+"looks like a Thumb Imposter"
-"dude get some help"
-"what"
+"look at your finger"
-"y?"
+"looks like an "imposter" from the internet-breaking Among Us game"
-"what"
+"looks like a Thumb Imposter"
-"dude get some help"
by AspireGabriel#0300 August 10, 2021

Someone who uses his or her thumb as a mutual part of the relationship. This can include constant thumbs up for a good job, or anal penetration.
by dude man nice. May 14, 2009
