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THUMB BOY

someone who fingers his ass in class.
Don’t talk to that thumb boy, he fingers his ass in class.
by Oh RRRR November 27, 2017
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Thumb Downer

A person who visits the "urban Dictionary" website with the intention of reading peoples entries, and then giving them a thumbs down. Often these people have had traumatic events in their lives that have caused them to be so full of hate and anger that the only way they can express their hate on the world is to give people "thumbs down" on a website meant for peoples amusement and pleasure.
Jonnie: Hey man, I'm feeling angry because my Momma made me eat cold beans when I was little, and I need a way to let the world know I'm suffering and angry, what should I do?
Stevie: Why don't you go on the urban dictionary website and become a "Thumb Downer"? Just read something that someone has wrote for your amusement, then give it a thumbs down. I do it all the time!
Jonnie: Thats great advice, Thanks Stevie, People like you make the world a great place to be!
by Paul Fleming January 3, 2007
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blue thumb

Someone who is technologically savvy.
Derived from IBM's nickname "Big Blue".
Evan fixed my computer because he has a blue thumb.
Greg doesn't have a blue thumb because he can't even log onto the internet.
by Hollywood Nick July 25, 2008
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tom thumb

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!
by geek.neo January 2, 2011
mugGet the tom thumbmug.

Kentucky thumb

To shove thy thumb into bleeding hole to stop bleeding
My gun exploded so I had to Kentucky thumb my neck
by Daddy332769 May 20, 2021
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Thumb swoop

To try to sneakily give a girl the shocker.
Last night I hit my girl with the thumb swoop.
by Nutsack93 October 12, 2023
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shark thumb

Shark Thumb.
The sexual act of placing you little finger (pinky) inside your partners anus (butt), while keeping all other fingers tucked in except the thumb that will stand proud and looks like a shark fin just slightly cresting the bottom of your partners posterior (butt) as they lay on their front.
During foreplay Sam Shark Thumb'ed meredith last night, meredith giggled as she looked over her shoulder and saw the shark fin (Sam's thumb).
by Samqwell December 30, 2019
mugGet the shark thumbmug.

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