n. A male nanny.
Other Forms
Even Mary Poppins would approve of the increasing popularity of mannys — male nannies. Men of all ages are graduating from nanny schools and snaring places in domestic agencies., a hangout for cyber-savvy mannys, is devoted to fostering the education and use of male care givers across the world.
—“e-vents,” Sunday Herald Sun (Melbourne, Australia), October 05, 2003
It's early morning and Simon Bailey is giving his group of toddlers their milk. Then they spend the rest of the day playing and learning new things.

Simon isn't a dad. He is a manny — the new name for young men who take care of other people's children for money.

Although it is still rare to find guys on traditional nannying courses, attitudes are fast changing. In Manhattan, for instance, mannies are as hip as Hermes scarves and every yummy mummy wants one — even Ally McBeal and Rachel from the TV show Friends.
—Penny Fray, “Manny splendid role model,” Daily Post (Liverpool), August 18, 2003
1986 (earliest)
Most of the nanny students are young, and the majority are women. "But there are definitely male nannies out there," said VanSteenhouse. "We call them 'mannies.' " They are, however, much harder to place, she added.
—Barbara Carton, “Nannies Are in Demand,” The Washington Post, March 16, 1986