Heaven Lipping
Heaven Lipping is another term for the phrase "Nigger Lipping". It refers to the act of making a cigarette, blunt, joint, etc wet with excess lip usage. Usually very annoying, but forgivable depending on how cute the person is.
Jesse: Yo dude who was Heaven lipping this shit.
Alex: Oh, I think it's pretty obvious.
Alex: Oh, I think it's pretty obvious.