1. A young male who exhibits the qualities of a female nurse, meaning a feminine boy who lacks masculinity and usually has a strong attachment (almost a romantic desire...) for his own mother. Eg. - one who is still nursing on his mom's tits.
2. A young male exhibiting the qualities of a female nurse.
1. "Did you see Chris sleeping in his mom's nightgown?"
"What a fucking nurseboy!"
2. "Wow. Matt is really acting like such a nurseboy today."
3. "Maybe if you weren't such a nurseboy, you could catch the football."