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Someone born in the new millennium (Year 2000) whose about to turn 18 in 2018!

We're all shocked! Expect for the trolls and pedants who we ignore.
Ryan to Dave: Dude did you know people born in 2000 will be adults!!!!
Dave: No...this cant be.....I'm 30 years older than them, it's too early to have millennium adults why now???
Ryan: IDK DAVE!
Dave passes up.
Ryan: Dave?
by IloveApplePies2 December 23, 2017
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2
A person who was born in the new millennium (Year 2000 or after) who is legally an adult (18+ in most countries).
Mother to Blake: Oh my baby happy birthday! Look I made you think 17 candle cake!

Blake to Mother: Ummm mom, I’m not 17. I am 18 actually.

Mother to Blake: What? No you’re 17. (Mom starts to stress)

Blake to Mother: Mom I’m 18, I’m an adult. Remember when you called me a millennium baby?

Mother: Yes, I remembered.

Blake: Well since I was born in 2000, I’m a millennium adult because I’m an adult whose born in the new millennium! I’m an 18 year old now mom!

(Mom passes out)

Blake: Mom?
by Biologist2001 January 20, 2018
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3
An adult who was born in the new millennium (Born on January 1, 2000 or later). Typically, someone born in the new millennium becomes a millennium adult when he or she reaches the age 18 (In most countries).
Scott to Mom: Hey mom.
Mom to Scott: Hey my baby, happy birthday! I can't believe you're 17 you are growing up so fast!
Scott to Mom: Actually mom....I'm 18.
Mott to Scott: Wait, no you aren't.

Scott to Mom: Yes I am mom. I was born in 2000, not 2001.

Mom to Scott: Oh no...my baby is a millennium adult (vomits)_
Scott to Mom: Are you alright mother?
by MexicanJunior April 23, 2018
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