A physical Man Child is a grown man, over the age of 20, who has a child's face, on the body of an adult male.
They menace that cannot be stopped. Whether this trait is a genetic or even contagious is somewhat questionable. They're everywhere and are ruining society, slowly but surely.
Tragically, they are now teaching in British schools. They usually carry around with them a friend for added security, as random attacks on Man Children are increasingly commom. Be aware: They're friends are NOT REAL PEOPLE. They are developed by the goverment to satisfy the social needs of the otherwise lonely Man Child.
"He is a Man Child. He is a menace to society! Somebody stop him before it's too late!"
Someone who is grown, yet finds immature things funny, Bathroom jokes, N word jokes. Normally buys every new game console at launch, hangs out with 14-5 year olds all day and is still trying to convince himself hes in the prime of his life.
Someone who is very short and stalky that looks like a kid height wise but looks like an adult with their features. Ex.can grow a beard and lots of chest hair. They resemble a troll.
Manchild is usually a term to describe a young man of exceptional athletic abilities beyond his years, or a youngster mature beyond his years.
"You're young in age, but physically and mentally you're a man child. You're beyond your years cause of your ability to use the left and right side of your brain. Left(rational side) Right(Emotional, intuitive side.)