nanny dog

plural nanny dogs

1. A nickname for Staffordshire bull terriers or pit bulls.

   Havens says Lady, a Chihuahua/pit bull mix, was a classic nanny dog and was by her four children when a mountain lion crept up behind them.

   2022 June 24, Spencer Wilson, “Hero dog dies after protecting children from mountain lion attack”, in Fox 5 Vegas

   2 more examples

   For most of the 114 years since the American pit bull terrier was first recognized by the United Kennel Club, the breed was rightly seen as the perfect "nanny dog" for children because of its friendly nature, loyalty and stability.

   2013 February 5, Joshua Holland, “In defense of the pit bull”, in Salon

   Just like Nana the dog from Peter Pan, the term "nanny dog" refers to any breed of dog that’s known to be good with children. Ideally, a nanny dog would protect the children just like a human nanny, while showing them lots of affection, being patient, and entertaining them without toppling them over while playing.

   2019 August 15, Katie McPherson, “7 Nanny Dog Breeds To Help Tuck Your Children Into Bed At Night”, in Romper