The rights of a bitch/Friend with benefit/booty call.
Bitches rights entitles said friend to a small favour every now and again. This extends to saving their bacon, lying for, getting the kettle on and bed therapy.
bird " mate, i've just driven a hundred miles, I'm calling bitches rights. get a brew on, i'm gaspin"
bird " mate, its been a long FKN day, i'm calling bitches rights, i need to ride this SHT out."