a grown man who is very immature, therefore considered a man child.

A man child is a male who is over the age of 25, who still lives as though he is a juvenile. Many man-children are not gainfully employed, and survive off of the financial support of their enabling parents. Heavy video-game addiction to fantasy games such as World of Warcraft are key to the man-child.

A Man Child is a fully-grown male that acts like a baby. A Man Child usually whines, complains, and thinks everything is unfair. Man Children in the workplace can be recognized as one who is always complaining about the rules and/or shows too much emotion ex. Crying.

A man by age but a child in mentality and actions. Usually an inability to get over the "frat boy" or "party boy" phase. Can't have fun without a beer; oftentimes brews his own beer. Still relate to women as sex objects (even in they're married) and are emotionally undeveloped (e.g., fight for their rights mentality even if there is nothing worth fighting; rarely takes responsibility for own failings). A general irritant to women and men that have matured.

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.

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

1.) Grown man sized child.
2.) Child of the Earth, Man Child
3.) El Gigantor

4.) Dr. Shots (party animal)
5.) 20 year old pot head,