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Slang for "Shut up!", "STFU!", or "Silence!" The word originated from the controversial conception behind John Cage's famous composition, 4'33", in which the instrumentalists are instructed not to play their instruments for the duration of the piece (4 minutes and 33 seconds), effectively "creating silence" from the stage.
"Debby, you're so annoying! Why don't you just 433?!"

"OMG, i wish this prof would 433, lol"
433 by Josh W. March 31, 2009
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Timing was impeccable
Made my day❤️❤️❤️❤️
Now a few days I will have to wait…

You know giving up I would never do!!!!
Could never do!!!
As I love you!!!!
433
433 by If only 1 day he would see November 18, 2025
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Yamaha GPX 433 

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Yamaha GPX 433 by Hot Rodz October 30, 2011

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i know who allan pinkerton 433 really is.....
A musical work composed by American experimental composer John Cage in 1952. Made up of 3 movements, it is comprised solely of four minutes and 33 seconds of silence. However in performance, the work is supposed to capture unintentional sounds such as audience whispers, coughs etc. It challenges the very definition of music.

Pretentious people claim to like it.
Art student: John Cage's 4'33'' is so compelling and thought provoking. It makes those students at the conservatorium look like a bunch of show-offs. They just don't appreciate the sound of silence.

Sane man: You're a twat.
4'33'' by HumphreyB May 16, 2006
if 4'33" was copyrighted, john cage would have sued every single mf in existence
4'33" by worshipper of Tux March 20, 2022
Ge3t3e but full 1337. That's right, we bardcore here!
433733
Access granted
Help! Someone's holding me hostage in my own room!
433733 by ControlledLust January 28, 2023