Slap you with ma’ greasy hand
Not having the time or in the mood to deal with someone’s bullshit that you wouldn’t even take the time to wipe off your hand when eating chicken wings or ribs before you slap the shit out of them.
John S.: Hey can I have one of those?

*reaches to take a bbq spare rib*

*John V turns and blocks advancing hand*

John V: Don’t make me slap you with ma’ greasy hand!