Person 1 : My sister is a bitch, she was making out with my boyfriend at the male restroom.
Person 2 : Your sister really got that damn attitude
Person 1 : I'm going to kill her tonight.
Person 2 : Hope that's just a joke
Person 1 : YES IT IS
a name for a female dog that some girls call each other in a friendly or mean manner
it became a nickname for girls because they like to bark at each other sometimes