Definition & Meaning of "momma bear"in English

What is the origin and meaning of the phrase "momma bear"?

The slang phrase momma bear refers to a mother who is fiercely protective of her children or loved ones, willing to defend them with great determination when she perceives a threat. The expression comes from the behavior of real mother bears in the wild, which are known for their intense protective instincts and readiness to confront danger to safeguard their cubs. In human contexts, it is often used as a compliment to highlight a mother's strength, loyalty, and nurturing nature, though it can also imply being overly protective or quick to intervene. The term has been part of English idiomatic speech for decades and is commonly used in parenting discussions, everyday conversation, and popular culture to evoke the image of a strong, caring, and formidable maternal figure.