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The coolest instrument in the world ever invented in the history of time ever. A box with an antennae on top, and a loop out the side. The antennae controls the pitch, the loop controls the volume. How is it played you ask? Movement of your hands within the fields of these wire outsprings.
Damn, the theremin is the coolest.

It was used in the day the earth stood still and other movies.
theremin by thereminniet February 24, 2005
Words you can keep
The greatest musical instrument since the probe, according to the Red Guy (from I.M.Weasel - I Are Music Man). With its antenna and its loop, you can play it in high-pitch and loud volume, and even cause an earthquake. Used since the old film has been founded.
WHEN YOU PLAY THE THEREMIN, You Play With The DEALS OF LIFE ITSELF!!! ELECTRICITY!!!!!
Theremin by chromelovers 0001 November 14, 2011

Theremin Heater 

A midwestern trick normally performed during the winter months. Place your partners penis behind your bent knee and allow him to rub his unit back and forth until climax has been reached.
On a cold January night Tom knew Sandy would allow the Theremin heater .
Theremin Heater by Buck Mahogany December 2, 2023

Bitch-Slap The Theremin 

Steve likes to Bitchslap the Theremin, if you know what I mean...
Bitch-Slap The Theremin by ham cannon November 18, 2003

Theramind 

Never mind. Short form is Thera.
Person 1: *mumbles*
Person 2: "What did you say?"
Person 1: "Theramind."
Theramind by Cutebabys Artine August 5, 2009

therein lies the rub 

there is the snag, problem, obstacle
from Hamlet
We could go to the park, but i left my keys in the ice cream factory, therein lies the rub.

theremind 

1. I asked John for a favor, but quickly said theremind because I handled it myself.

2. Theremind, I don’t want to go with you anymore.
theremind by RuzOnYouTube June 12, 2021
More from Urban Dictionary
Acronym, meaning Too Long Didn't Understand
Similar to TLDR
Sister: This meeting was to discuss the rough draft of my essay, where we discussed the subsidiary questions I added in my rough draft. We also discussed the relationship between my main title and the real-life situations I chose to use in my essay. We discussed the structure of my essay as well, specifically the Math AOK section and how it relates to the contradiction of the title. This second meeting was particularly helpful in discussing the implications of my essay claims and how to apply the title across various areas of knowledge. There were many sections of the essay that could have been cut down in wordiness and the ways of knowing required further and more in-depth analysis.

Me: Woah! TLDU!
TLDU by L-Evans January 14, 2019
Word of the Day on August 30, 2026
the act of having anonymous sexual encounters with other men in public toilets.
Cottaging by greeef April 24, 2003
Word of the Day on August 29, 2026

Salad Days 

green inexperienced youthful judgement and cold blooded execution of those judgements.

Rashness with little concern of consequence.

Antony and Cleopatra. William Shakespeare

"My salad days,
When I was green in judgment, cold in blood."

- William Shakespeare, Antony and Cleopatra, 1.5
"How did you end up in jail?"

"Salad days, 'nuf said."
Salad Days by GilbyRFC0 October 7, 2011
Word of the Day on August 28, 2026

age gate 

An absolutely foolproof way to keep minors from viewing content deemed "too mature" for them to watch.
Billy: "So I was trying to watch some videos for an M rated game, and I ran into an age gate, so I put in my real birthday. SOMEHOW it managed to figure out that I am 12. CURSE YOU AGE GATE!!!"

Bill: "Fucking age gate! *quick scroll* THERE! I was born on January 1, 1904. Fuck you age gate."
age gate by Banja January 7, 2011
Word of the Day on August 27, 2026

board chow 

A)
The Crud that collects under the keys in a keyboard. Usually more severe in the keyboards of programmers and webmasters as they tend to spend a lot of time at the the computer and thus eat at their desk. Mainly affecting IBM Model M (clicly) style boards.

B)
Can also be used to gross out Non-Techie people
A)
Bill: want to go to the club?
Bob: No, I've got to clean out my board chow, keys are starting to stick.

B)
Bill: Want to go out to get a bite?
Bob: No, i am just going to have some of my board chow/
Bill: Whats' that?
Bob: The food scraps that collect in my keyboard; Want some?
Bill: *GAG* *HURL* *GAG*
board chow by BinaryHackerMan September 3, 2007
Word of the Day on August 26, 2026
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