A full grown man, over the age of 20, who still needs to be spported finacially or emotionally by his parents. May or may not live at home with parents, but needs consistant reassurement. Is unable to have healthy relationships with women because of childish behavior, but is in desperate need of someone. May or maynot be a fanboy or gamer.
-"hey mom, i know you took me to peter's house yesterday, but he is going to watch logan's run and i haven't seen it in 12 years. oh, and i might bring his sister back here for dinner, but don't make the liver and onions."
-"John, take the goddamn bus and stop being such a man child."
by Aimerwillardilson October 5, 2008
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A grown man with the personality of a child. See AJ Styles and Eric Young.
I find AJ Styles' man-child gimmick hilarious.
by Jeff7 February 24, 2008
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A grown up guy who acts like a kid. His diet consist of uncrustables, pizza, and raisins. He also drinks apple juice most of the time. His room is a complete mess.
by mcnuggetdestroyer January 14, 2018
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A young teen with the ability to grow facial hair, that other people the same age can't. Also the facial hair has to be able to look like a full grown man could have grown it. This type of person is able to get attention for looking older than he really is.
That person looks like a man child. I wonder how old he is because he looks older than his teen years.
by beardmen August 18, 2011
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A man child is a early twenties ex-frat boy who looks like a big fat fucking baby in grown man clothing. When seen in their natural habit (a bar infested with man children) they're usually talking about how lucrative their lifestyles are while in reality they're bank tellers, depositing my checks.
Man Child: Yeah bro, I'm working in Insurance; I should clear half a mil a year soon.

Andrew: You aren't doing shit. You are going to be one of those kids I hire to do all my running around, taking care of all my bullshit.
by Skarbar January 10, 2011
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The Man Child

The word "Man Child" is a common use of words to describe a Child in a Mans body. Destinctive markings such as muffin tops long hair and pidgeon toes can be found on this specimen. This type of person will bath himself while intoxicated. Its lead to belive that the man child is still alive and subsides in the north island of new zealand. A bounty has been set, please approch with caution as he will sulk!
The Man Child
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someone who's immature, indecisive and doesn't know how to respect people. they only whine like a 4 year old.
the 45th American president is a man child
by vangogh October 16, 2017
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