Marley's Bitch is a girl who is very nice and supportive. Their name usually starts with Mia because that matches the Marley. Marley's Bitch is very loyal to her friend.... Marley. Calling someone Marley's Bitch is a compliment.
Wow you are such a Marley's Bitch.
Marley's friend. Someone who is very nice and loyal to her friend .... Marley.
Wow you are such a Marley's Bitch.