An adult is when you're an, uh, well it's when you think you're a big boy, but really you're just a child in grown person's body and you hate your job and the other person that lives in your house.
by King Bob IV April 28, 2017
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A person who has stopped growing at both ends and is now growing in the
by CLEWGE October 23, 2003
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Adulting (v): to carry out one or more of the duties and responsibilities expected of fully developed individuals (paying off that credit card debt, settling beef without blasting social media, etc). Exclusively used by those who adult less than 50% of the time.
I was going to buy a sack of Blue Dream but I finally got my oil changed instead. Adulting!
by starcraft420 June 13, 2016
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A soul broken by society; someone who has lost faith in people.
Little Timmy: I can't wait to grow up!

Adult Timmy: Why didn't I appreciate my childhood more!
by TheOneForPeace October 20, 2011
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Prejudice based on age, especially against young people.
The 13-year old spat in the face of the power-monger teacher and called her an adultist.
by Thylacine July 20, 2005
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A person who thinks that they are always right and you are always wrong because they are 18 years out of their mother's buttocks and you are not.
Adult: It doesn't matter if we cheat, steal, lie, kill other people, abuse drugs or start illegal wars for profit or how many times we were wrong beforehand, you must always obey us without question.
Child: Screw you!
Adult: Faints, before screaming "Go to your room"!
by Hot.rodz September 2, 2019
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