Define Oh Hell Naw Meaning

Did you just talk about my momma? Oh hell NAW!

Guy: Damn bitch
Black woman: Oh hell naw you did not just say that

example:

Person 1: im gonna check the fridge for food cuz im hungryy
*checks fridge*
*sees belle delphine in fridge*
Person 1: Oh HELL NAW BRUH

Meanwhile...
Person 2: im just gonna pretend i didnt see or hear that...