(n) A male who, by age, should be a man, but still acts childish, is oblivious of what acting grown-up is about. An insult to point out ridiculous immaturity. A pathetic example of taking responsibility or manhood.

Man-boy clues: You are over 25, not in school and...
still live with parents (excluding illness or tragedy), still twist your friends nipples on a daily basis, buy toys off ebay for yourself, think "picking up chicks" is all in strategy of a well-delivered pick-up line, use status or lie about what you do to impress women, have a child and are still out partying like you are in high school while trying to pick up much younger girls.
That freakin' man boy tried to play off his 'rents as roommates and then he show me his KISS collection. What is he - 32 now?
by hoopyjoob August 23, 2007
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n. A male over the age of 25 who exhibits two of the following traits: a) Lives with his parents; b) Is employed by or finanically dependent on his parents; c) Has an unusally and awkward relationship with his mother; d) is on all social networking websites; e) works in one of the following professions: Realtor, Developer, "Entrepreneur", Party Planner, Insurance, or Pay Day Loans
The Man Boy told his new girlfriend that he doesn't live with his mommy, his mommy lives with him, fo shizzel!
by Despot Ruler January 16, 2010
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a man who on the surface, looks like a man, perhaps with a beard, and tall stature, i.e. a construction worker. who has never matured into a man. There are two kinds of man boys white collar, and blue collar. White collar man boys spent massive amounts of time playing golf, and sitting in the steam room, while blue collar man boys spent massive amounts of time outside playing in the dirt with their trucks, and drinking beer. Both spend absolutely no time during the day with their families, and more times then not have slight homosexual tendencies, put shortly they like to "hang out with the boys". More often than not the man boy will have a girlfriend on the side. this is becuase his wife replaces his mother and he still wants a girlfriend. They essentially refuse to grow up and become family men.
Most lawyers, construction workers, millitary personel, politicians, business moguls, every bartender, every bar fly, every lounge lizzard, a majority of the kennedy family, and all the back wood hicks, are all man boys
by Mr. Shaw August 17, 2007
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A 35 year old boy who smokes alot of weed & resembles Ralph Machio
The man boy got laid at the NAMBLA meeting
by doyle February 13, 2004
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A chubby childish looking adult who wears ill-fitted cargo shorts, Keds, and striped Izods.
Declan's dad is totally a little big man boy and is second to his woman and doesn't even have the respect of his children.
by Banana Hammie October 27, 2019
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Today, President Baby-Man-Boy took to Twitter whilst squatting atop his 24 karat golden toilet bowl, Accusing former President B-Rock of tapping his phones. Sad!
by ScottChisonian March 26, 2017
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Another way of calling an individual that controls another one waaayyy too much
Gary- I don't like it, you're not buying that!
Gerald- You always make decisions for me You're such a Police man boy guy!
Everyone in da store- *gasp*
by jew boy man guy thing March 13, 2020
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