The teenage act of using your thumb as a hole guide for your cock which is larger than she is used to. After slapping your fumbling dick in your palm, you gently insert your thumb into her pussy. Like Houdini you simply run your cock along your thumb, using it like a ruler or a guide, to direct and allow an easy and simple access’s to an otherwise unsatisfied pussy.
She was too tight for me, it was dark and I couldn’t even find her hole
properly. I heard Jimmy strolled in last night at the pub and after a few drinks he took her home. Apparently he used “the rule of thumb” his old
Man taught him. After a while the crafty fucker worked his huge knob to the hilt - and we didn’t see him for 3 days!
properly. I heard Jimmy strolled in last night at the pub and after a few drinks he took her home. Apparently he used “the rule of thumb” his old
Man taught him. After a while the crafty fucker worked his huge knob to the hilt - and we didn’t see him for 3 days!
by Jungle Diver August 1, 2019

The cramp on the palm of the hand at the inner base of the thumb caused from manually grinding weed. A weed writers cramp.
by ccroni3 October 31, 2014

When you put a thumbs up in a photo is means that your sort of fruity but not enough to be homosexual.
by BobertJR April 21, 2022

by CowsAndPigd April 11, 2022

An approximate way of doing something based on presumptions rather than fact. Contrary to popular belief, the idea the law once allowed a husband to beat his wife as long as the device was no thicker than his thumb is false, as such assaults were outlawed for centuries in common law, although the ban wasn't generally codified in written law until the 1980s.
A driver kept going 5 mph over the speed limit, thinking the police had a rule of thumb that it was a waste of time to give out a ticket to anyone going anything lower than that.
by BlastFurnace February 27, 2025

by JPetto19 December 12, 2023

Putting your whole thumb into a buthole during sex. Can be performed by a partner or solo.
The saying originates from an accident that occured when the popular gun-youtuber Scott DeShields or "Kentucky Ballistics" was shooting his 50.Cal sniper rifle. The rifle exploded and sent shrapnel in his neck and caused severe blood loss. To save his life Scott put his thumb into the whole where the shrapnel had penetrated his skin and thus making it to the hospital and surviving.
After the accident the gun community exploded with memes about his thumb and ultimatley the "Kentucky Thumb" was created.
The saying originates from an accident that occured when the popular gun-youtuber Scott DeShields or "Kentucky Ballistics" was shooting his 50.Cal sniper rifle. The rifle exploded and sent shrapnel in his neck and caused severe blood loss. To save his life Scott put his thumb into the whole where the shrapnel had penetrated his skin and thus making it to the hospital and surviving.
After the accident the gun community exploded with memes about his thumb and ultimatley the "Kentucky Thumb" was created.
I gave my girl a Kentucky Thumb last night and she loved it.
Have you ever tried to do a Kentucky Thumb to your wife?
Have you ever tried to do a Kentucky Thumb to your wife?
by CPT_BooM May 20, 2021
