The inflammation of a Millennial. The presence of any discomfort or pain that is unwanted in someone feeling entitled to life without pain. Pain can manifest as physical symptoms or emotional distress, brought on by such conditions as the "common cold" or a "differing opinion". Typically found within the Millennia Generation, this dangerous condition is also contagious to non-Millennials feeling similarly entitled, and can be referred to "Millennieitis by Poxy".
Michael, a 28 year old man-boy, suffered from a stuffy nose requiring his mother to bring him to the emergency department.

"Is it serious?" mom asks.
"No, its millennieitis"
by arnoldmd November 6, 2017
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Based on the term „serial killer“.
A Millennial, that doesn‘t get the sense and meaning of work life.
A new, digital Form of Hedonism!
Boomer: „Those Millennial Chillers have no idea about hard work!“

Millennial: „I like Turtles, and Robots!“
by Optimistic Terrestrial December 17, 2019
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A millennial who reads all the y.a. books they can find on their kindle; reads all the books that are literal straight porn.
i’m scared of book millennials and their bookshelves.

book millennials get zero dick/pussy.
by bookmillsarescary March 10, 2021
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Living back at your parents house as a grown ass adult due to unfortunate circumstances!
Yoo you heard Kyle lost his job? He's back living the Millennial Nightmare!
by whosurdaddy69 January 23, 2020
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To translate a Gen Z term or phrase to a Millennial’s level of understanding.
Cora: That outfit is so slay!!

Lea: so slay???
Cora: Sorry oldie….. to millennialize that for you, That fit is on fleek!
by AndyBoBandy98 August 5, 2023
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when a millennial trivializes their way out of an uncomfortable conversation, or situation to avoid being wrong, or taking responsibility for their action(s) or inaction(s)
Please don't millennialize the fact that you didn't recycle that empty soda can that you left in the refrigerator again, honey. Just recycle it next time.
by Vageena Lopez July 28, 2017
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Behaving like an individual who avoids the behaviours expected of a responsible and mature adult. Sarcastically used by adults regarding behaviours (or lack thereof) demonstrating a lack of maturity by millennial's who sarcastically use adulting to validate moments of maturation.
I had smashed avo for breakfast this morning, there goes my home loan deposit #millennialing

I had bills and assignments due this week but millennialing is setting me free
by Redav May 11, 2018
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