Widely considered to mean both everything and nothing. Applicable as an answer for any question. Serves as a back out option if one does not want to deliver a real answer.
Bro 1: "Hey Bro do you have a crush on Sarah?"
Bro 2: "Muh"

Bro 1: "Bro the Chargers are trash!"
Bro 2: "Muh"

Bro 1: "Holy hell my Mom died!"
Bro 2: "Muh"
by Swagboss218 March 8, 2017
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When something is cool or amazing or insane or awesome or radical
Jack Roberts; Mate I just bought some milk
Dean Upton: muh
by deanupton May 19, 2010
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Me and my girl are going to my room. We're going to play the muh muh. Her Muh-Muh was so wet, it didn't make sense. It's typical used by teenagers especially in our community, to avoid parents knowing what it means.
by Xynterical August 26, 2022
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a typical marquette boy's schdule is:

1st hour: studyhall
2nd hour: live the fourth/brotherhood class
3rd hour: studyhall
4th hour: football game attaire and cheers
lunch for 2 hours
5th hour: studyhall
6th hour: ap/advanced wit (depending on grade level..wit I, wit II, wit III )
7th hour: mastering the art pen twirling
8th hour: study hall/ 50's and 60's

classes are usually 10 minutes and lunches are 2 to 3 hours.
a typical conversation between marquette/ muhs boys:

marquette boy: "i'm so glad that our school is beyond perfect! everyone here gets along, and we even hug eachother in the hallways. we win everything ( soccer, volleyball) and are the smartest school ever. i'm so excited for retreat, for us to share our feelings, grow in our faith, and bond with our class."

other boy: "i love my cross necklace. i never take it off."

boy III: "live the fourth!"
by eastgirl!8#~~! November 20, 2008
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Exclamation denoting deep and profound condition of being underwhelmed.
by Ken Bergenham March 13, 2003
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A word that is randomly used by ..someone.. when he feels like it. Letting your jaw drop slightly and curving your mouth in the shape of a life-saver. Sounding in a deep sound.
me - "Man it is very hot outside, isn't it Kyle?"
kyle - "It sure is."
mark (in backround) - muh
by george hadlin June 17, 2006
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