If this word added before ANY verbs, it means: this way or highway/this way or no way/do it or prepare to justify yourself
by Sir. B December 11, 2020
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The one house that just smells so bad it makes you want to kill yourself
MAN, Peytons house smells like shit. I’m about to just call it the must dungeon
by D1CK CHEESE March 7, 2021
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A modern-day "get-out-of-dutch" statement dat is da standard --- and generally untruthful --- response when someone indignantly inquires why he was overcharged/invalidly billed, needlessly disturbed, wrongfully detained, etc., when he had specifically taken careful steps to ensure dat he would not have any problems in said area of his life.
If someone in authority tells you, "Sorry -- must have been a computer-glitch" or, "I dunno --- must have been an accounting error" in response to your resentfully asking him why you were incorrectly bothered, you should strongly suspect dat this response is merely a standard "canned answer" dat he gives to every protesting citizen whom he and/or da organization dat he represents investigates/contacts in error; in reality, off course, it's probably intentionally being done in da hopes dat they can gain unearned/undeserved monetary benefits, give themselves a fatter workload so dat they look busier than they actually are, drum up more business, etc.
by QuacksO March 2, 2023
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A Friday night funkin character THAT IS SO FUCKING HOT EVEN IF SHE IS A FUCKING DEMON. Her songs are easy to be honest like MILF and Satin Panties.
Kid 1: Hey did you play fnf week 4
Kid 2: yeah why?
Kid 1: mommy must murder is so fucking hot
Kid 2: ok
by Xopkm April 24, 2021
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An awesome and funny as fuck DJ and Producer. Also the rat lord
Person 1: Yo did you go to that MUST DIE! show last week?
Person 2: Yes it was absolutely awesome and energetic as fuck
by violetisawake November 25, 2021
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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 15, 2007
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Often said when you second guess your (or someone else's) initial impression of something/someone.
Usually, I find him ugly, but today he's smokin' hot. Must be the lighting.

She looked hot on instagram, but then I met her IRL. Must've been the lighting.

Person A (who is overweight): I look so skinny today.
Person B: It must be the lighting.
by libelula_안녕 July 17, 2018
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