Meaning of the word "man child" in English

What does "man child" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

man child

US /ˈmænˌtʃaɪld/
UK /ˈmænˌtʃaɪld/

Noun

an adult man who behaves in an immature or childish way

Example:
He's a real man child, always playing video games and avoiding responsibilities.
Her boyfriend is such a man child; he expects her to do everything for him.