My Mother Fucker
Nickname for "Dad"/"Father", since he is the fucker of our mother.
Kid: What's up My Mother Fucker?!
Dad: What?! Get your ass to your room!
Kid: I heard My Mother Fucker fucking my mother last night.
Friend: Your Mother Fucker is one lucky bastard. Your mom is such a MILF
Dad: What?! Get your ass to your room!
Kid: I heard My Mother Fucker fucking my mother last night.
Friend: Your Mother Fucker is one lucky bastard. Your mom is such a MILF