A highly overused phrase intended to attract attention to something which would otherwise probably be ignored. Oddly, "Must" means mandatory, but the Secret Police won't come around to haul you off to a forced labor camp if you don't.
"Ooh, it's Must-See TV!"
"Oh really, do I get sent to Guantanamo Bay if I don't watch it?"
by joef1949 January 3, 2017
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A situation in an RPG(role playing game), where you must select one option in order to further the plot. Phrase originated from Dragon Warrior for the NES.
Will you take the princess with you?
Yes: Wonderful, you must leave right away!
No: But thou must!

If you select no, the dialogue repeats.
by dwarfer boy August 10, 2010
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They Might Be Giants, as reffered to by an announcer on the album Severe Tire Damage on the second track They Got Lost.
"Ladies and gentlement put your hands together for They Must Be Giants!"
by Richard Bourque December 15, 2005
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The rank smell that come from your sweaty nuts
i gotta shower i have some real bad nut must
by p tasty November 8, 2010
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Used by workplace managers and bosses to lay guilt and shame upon their employee’s vacation plans and/or anything that is not work oriented.

Usually preceded with a "Hmm.." or an "Oh..wow" and sometimes just an eyebrow raise and nod of the head.
-Employee (sheepishly): "So uh, I am thinking of taking an extra day off after Memorial Day for..uh.."
-Boss (sternly): "Oh wow! --- really?...for what?"
-Employee: "Well...something...you know...well I just need that day off."
-Boss: "Hmmm... Must Be Nice
by MScott May 22, 2008
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Suffix that can be applied to any noun to signify "it" is deeply hated by the speaker. The most effective use of "must die" lies in the modification of a person's name. Repeated use can impact complete restructuring of a person's identity.
1) "What, your platonic male acquaintance climbed into your bed while you slept and put his gross fat hand on you? Ok that's it: John must die."

2) "Hey you see that guy across the street in the blue cardigan? That's my neighbour Steve-Must-Die. You know, the one who says he's a DJ?"
by misscatfrommtl September 25, 2006
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When someone covers their nipple in mustard and gently massages it in another's ear.
Where's the dijon?! Oh that's right, Lizzy used it for a Musted Molly last night.
by Bladed June 2, 2010
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