manboy

1.A man who acts like a boy.
2.A man who looks like a young boy.

Manboy is a man that acts like a boy. This behavior is reinforced by popular culture.

A male whom has come of age to be considered by a female to be unable fulfill her expectations on her clock with regard to marriage, children and other responsibilities. A manboy is the result of women chasing their "dreams" through so called "self empowerment" behaviours like screwing around and climbing the so called corporate ladder in her 20's and then only in her thirties wondering where all the "men" have gone to. Manboys were the men she dated in her twenties but dumped for her meaningful career and personal "empowerments". Manboy is a smart and enlightened man who relises that he does not have to fulfill anyone expectations because they demand that they do. He is free to grow and adapt to changes as they present themselves to him.

it is man version of femboy.
(not to be confused with tomboys which are girls acting like boys, instead this is boys acting like boys)

Usually a male close to or over the age of 40. Often with an excess amount of money, enabling him to buy boy like toys. Prone to getting excited at video games, remote controlled cars, and at the release of Call of Duty Modern Warfare

A hot sexy young man or referring to Eric Saade

A young man, usually a stranger, who is very attractive and has a friendly personality. Differentiated from other "manboy" definitions by the capitalized M and B.