A thumb ring is often warn as a sign of power. Traditionally it was worn by archers to protect their thumb during rapid firing. Although often misunderstood as a statement of sexuality, the thumb ring symbolizes strength and courage.
by The Realest John Galt June 5, 2015

After going Number 2, you take toilet paper and put it on the end of your thumb, and shove it up your pooper to wipe.
by ThatOneGuy987 October 23, 2012

On urbandictionary, a thumb war consists giving your own definition a thumbs up and giving a rival's definition a thumbs down on a daily basis while said rival does the same for himself. A thumb war is won when one of the contenders forgets to vote and/or gets a life.
by y=mx+b January 23, 2009

In an attempt to engage in anal sex with a female who is not initially interested in the activity, you approach your sexual partner while in the doggy style position and slowly work your thumb over her asshole in a calm, clock-wise and stroking motion. You slowly increase the pressure to instigate a pleasurable sensation, during vaginal intercourse, to influence her into accepting your penis in her rectum.
Friend: "Dude, I can't believe you got to take a ride on her Hershey Highway! I thought your girlfriend was scared of anal?!"
You: "She was; until I used my Jedi Thumb on her...'you want to let it in there'".
Friend: "Epic sir."
<instigate high five over beers>
You: "She was; until I used my Jedi Thumb on her...'you want to let it in there'".
Friend: "Epic sir."
<instigate high five over beers>
by VTECsam April 26, 2010

the signature hand gesture used in extemporaneous speaking: where you're talking about foreign policy and make a fist with your thumb on top and hold it up to really emphasize your point.
he's so used to using the extemp thumb in speech and debate that i've seen him use it in class presentations as well!
by arbitrarilyunconventional March 22, 2023

When a person jams their finger in their butt hole to prevent diarrhea from spilling into their pants
by James Rox Sox January 29, 2009

by Joegus the Rogue March 29, 2010
