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8.
A child who outwardly appears like an adult -- conventionally this means a full grown male that acts immaturely, or pursues childish interests. For example, it's acceptable to play games like World of Warcraft, but it's generally unacceptable to spend twelve hours a day doing so and/or attending conventions.

Manchildren, of course, are not limited to gamers. There are many types and variants of 'not-quite-men, but look-like-men.'
Dude, I swear that manchild's a furry or something.

You know the guy, always lies about getting laid and wears that Tasmanian Devil tie.
by BBBS June 12, 2007
137 126
 
9.
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 05, 2008
186 176
 
10.
A man with the character of a young child. Also could be a juvenile who is too young to be old, but too old to be young. An old soul trapped in the body of an adolescent. A man who is too old for babysitting, but desperately needs it.

plural: manchildren
"Her boyfriend, Darren, is a complete and total man child. I'd offer to babysit it, but it's kind of creepy."
by MrBunny December 08, 2011
29 22
 
11.
50/50 Whiskey and Apple Juice
I'd like to order a "Manchild" please.

Or

Bartender-What would you like to drink?

Customer- I'd like a "Manchild" please.
by Fatmatt November 15, 2013
2 0
 
12.
A man who has a mommy complex like no other. He is extremely needy and will want a woman to "take care of his needs" eg. satisfy his insatiable thirst for chocolate milk, tucking him into bed at night, packing a lunch for him etc...
Johnny was such a manchild he made Julie put on his socks in the morning.
by psychobunny January 08, 2009
47 45
 
13.
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 23, 2008
33 32
 
14.
A very highly intelligent male, who refuses to accept that he has the world at his fingertips, but fails utilise any ability,

Always needing something, even if his bank account says No
This particular breeds loves older woman, they call their significant other "woman",or "old Lady"
"Hey "woman" get on the back of my bike" Or when speaking to friends he checks with his "old lady" to see if he can have his 15th beer.
Loves to be waited on hand & foot, & will forever need his diaper changed.
Man, Child, rolled into one, waaaaaa if you dont pack my lunch, I will spend $$

No, I can't stay for coffee, I need to get home with my MANCHILD'S diaper rash ointment, don't you know this by now!!!!

The MANCHILD warmed up his dinner that his "woman" made for him & the MANCHILD made it too hot, now the "old lady" has to blow on it for him

Gotta Love the MANCHILD, helps with the "empty nest syndrome"
by Woman- with a MANCHILD November 02, 2013
1 2