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verb. The action of placing one's thumb as far up another individuals rectum as possible. Often results in extreme surprise and discomfort for the individual on the receiving end of the thumb, and great pleasure for the attacker. In some variations, once the thumb is firmly placed inside the anal cavity, the attacker will go even further by quickly moving his thumb around in a circular motion inside the poop shoot(Tom Thumb Twister). Many prefer to lick their thumbs on the pre-insertion approach to make the execution of the Tom Thumb go more smoothly. However, it's not advisable to lick one's thumb post-insertion.

synonyms: thumb gunnin, checking the oil, slight of thumb
also see: anal rape
bra1: "So I was beating off while watching meatspin the other day and..."
bra2: "TOM THUMB!!!!"
bra1: "AAAAHHHOOOOWWEEEE!!! WTF!?"
bra2: "Chill bra, you just got tom thumbed..."
bra1: "I kinda liked it, bra."
Tom Thumb by SomeBra February 20, 2009
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1. the title of the first fairy tale ever printed in english, and the name of its protagonist.

2. the name given to tiny, loud firecrackers

3. not a nice thing to call a midget
"Tom is no bigger than his father's thumb, and his adventures include being swallowed by a cow, tangling with giants, and becoming a favourite of King Arthur" (wikipedia)

shit! whoever threw those tom thumbs almost gave me a heart-attack!
tom thumb by geek.neo January 2, 2011
The act of pressing one's thumb (or finger) into the rectum of a woman while engaged in vaginal intercourse from the doggystyle or reverse cowgirl position.
Hint: A tom thumb should never be attempted on a male without his expressed permission.
"My date didn't go so well last night..."
"Shoulda given 'er the tom thumb dude. You know--stick in a thumb, pull out a plum? Chicks LOVE that shit!"
tom thumb by userbits July 16, 2009
A convenience store.
"Ima go down to the Tom Thumb and get me some candy."
tom thumb by va May 13, 2005
rum, in Cockney rhyming slang
I'll 'ave me a double of Tom Thumb.
tom thumb by The Doctor October 16, 2004

tom thumb jr 

This was a dildo that was sold in the 1980's. They had it for sale in the back of porn magazine's. It appeared to be life like with the exception of its size. It was about 12 inches long with a set of balls attached.
guy 1: Hey bro check out this tom thumb jr I found. guy 2: Man what are you gonna do with that beat someone over the head with it? guy 1: No i'm gonna plug my girlfriend with it.
tom thumb jr by jimmybomm June 10, 2020
More from Urban Dictionary
anyone who succeeds in disgracing/over indulging themselves in the throws of clubland
28 hours and 4 clubs later, gurning for england but still refusing to go home - a total wrongun!!
wrongun by bevvers March 21, 2007
Word of the Day on October 8, 2026

square grouper

Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.
"Base we've got some square groupers floating outside of Miami harbor."
square grouper by slipsheet November 6, 2004
Word of the Day on October 7, 2026
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