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Manchildren are adults that engage in childish behavior too often -- eg. play videogames, collect figurines, watch cartoons meant for children -- instead of getting a job, studying responsibly and moving out of their mom's basement.

The older they get while refusing to grow up, the more pathetic they become. Manchildren can also be female.
Only manchildren play videogames all day.
by uranass September 22, 2009
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types of people that either, (i)are immature looking for there age, or (ii) are quite to mature looking for there age.

also referd to as 'a manchild'
wait so are you telling me that guy is 18... what a manchild


hey that hair rock ape is only 3, damn manchildren


i wish i could grow so pubes, manchildren get all the luck
by flynn December 24, 2003
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Manchildren are the plural of manchild. Mulitple manchilds result in manchildren. This will result in chaos, the reason being because they have no traits of a mature man.
Bobby and his friends took his legos and threw them across the room. They are manchildren.
by ErectAngelo June 12, 2018
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