Noun. A disease that causes otherwise fun people to start acting like adults. This means they no longer go out and drink until they black out, stop having casual sex, and stop buying shoes and purses. There is no cure for Adultism.
Sally used to be so much fun, what happened?
She caught Adultism.
OMG, no wonder she's so boring!
by barbigirl May 19, 2010
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Doing minor adult things while being backed by a true adult. I.e. parent or gaurdian.
Jake was tired of adulting at his 10-2 job to pay his share of the car insurance.
by Dadthedick January 22, 2018
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It's a special thing you get when you turn 18. It lets you be in charge. It also makes you a leader. How? By Adulting!!
Child: Dad, how come you are in charge?
Dad: because I'm an adult.
Child: but how do you become a person in charge?
Dad: by Adulting!
by Dear bob August 30, 2020
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When you take charge of a situation and become the responsible Adult
Fam, I’m done with being responsible, You’re going to be Adulting today
by MrFumez September 22, 2019
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A person who is 30 years old and owns a houseplant
by Roach dawg May 4, 2021
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Getting punished for being a responsible human
Energy company denies my electronic payment when I try to pay. Several days later, energy company takes my electronic payment (after I've mailed a check because electronic payment didn't work)... but it costs $35 to stop payment on a paper check. #adulting
by brittanybbg October 27, 2016
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A stubborn unreasonable person who think there so high and mighty but just a older version of a baby extremely hyprocrtical
Kid:she lying

Mom:are you saying an adult is lying
Kid:no ma'am

Mom:you talking back pull your pants down you hear me

Kid :yes ma'am

Mom:still talking you out of control
by Noheart.trey February 18, 2019
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