This stands for *Must Be Nice* a lot of people use this when they see other people in goofy or cute relationships.
MBN 😍😭 wish I had a bae.
by TheRealBeale 🤩 October 7, 2018
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Bestfrannn wanna come ova an chill
Bestfrannn wit a bae naw bae takin me out

Bestfrannn awe mbn
by QveenArii November 19, 2017
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When a co-worker leaves for the day early, and you have to remain at work for a more significant amount of time. Usually accompanied by that person also getting to work later than you did.
Peter: (after strolling in at 10am that morning) "Hi team, I'll be leaving at around 3pm today."
Bob: "*looks at watch* (mutters "MBN" to teammates)
by The Fake Grabowski March 21, 2018
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When you speakin’ MBN in MBN Foota’s terms it stands for ‘Made By Nawf’,
but of course everybody's heard about the simple term “MBN = Must Be Nice”
I came from nothin’ to somethin’ I’m so MBN
by MBN Foota December 8, 2021
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Jackronym for MasturBation Nation - A group of outstanding (self proclaimed) men, linked by messaging technology to share in inappropriate comments, sarcasm, and random shenanigans.
Girl A: "Look at that group of extremely hot guys texting inappropriate, sarcastic, highly intellectual messages."

Girl B: "Hot is right. I have always dreamt of being the centerpiece in an MBN circle twerk."
by justsanotherdude December 2, 2013
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1) Stands for "mus b nice", representing jealously of something someone can do that you cannot
Kyle: I'm going to go out tonight
Justin: mbn
Kyle: Talk to you later, with friends
Justin: mbn
by Justin Glucose October 28, 2016
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