When someone says something outlandish, this is a common response.
Calvin: My head is all swollen, so I'll wrap it in a turban so my parents won't notice!
Hobbes: You must know something I don't.
by MalumLibrum958 January 10, 2023
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Must

A legacy and universal variant of "have to," "need to," "has to," etc. that is especially overused by scientists, politicians, tech companies, and others.
"You must connect to Wi-Fi or a cellular network to use this app."
by not a windows system July 10, 2020
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Invaders Must Die

A Big Beat song composed by The Prodigy and the best song I've heard.
Invaders Must Die!!!
by MidTRahX_303 February 25, 2023
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that man must be a Pices

when a man is fickle, has anger issues and can't treat anyone with respect. usually likes the chase and stops trying when they bag the girl. (they belong in the trash, beware ladies)
"he stopped paying attention to me after we finally got together"
"oh sweetie that man must be a pices "
by daddylonglengs February 08, 2023
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Must Duster

Similar to a Crop Duster, but different in that a Must Duster always leaves behind a musty smell, like old mold, or like a dusty gust of penicillin spores fresh off an expired loaf of bread, but instead out of the Must Duster's rear.
Our office Must Duster walked by and sprinkled us with her moldy dust, thus creating a psynchronized nose covering to block out the spores of her un-welcomed scent.
by siamese6 August 19, 2007
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muste

person 1: his name is muste

person 2: eww he stinks
by jessebot33 May 07, 2019
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