(n or adj): anything of poor taste, quality, or smell; this term is often used antonymically

synonyms include: sick, awful
"Dude, this is muste, in the best way."
by j_moore August 4, 2019
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indian word for something that is awesome.
see that girl. she's must!
by mr x September 16, 2005
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A phrase normally used when an outsider tells you something crazy that just happened but in actual fact it is a common occurrence in your strange fucked up life and just like any other day.
Phil - "Holy crap! Geoff just tripled himself in the middle of the parking lot!"

Kevin - "It must be Tuesday."
by Alekso Schmekso June 7, 2016
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needed or truly desirable; essential; also, something that is considered essential or truly desirable
This LEGO set is a must-have!
by Fergiinka March 28, 2010
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promise to oneself saying: "I shall not masturbate"
Someone sends you a picture of a hot chick and you reply back: "must not fap". Simple :)
by afrosamurai88 May 19, 2011
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