the act which involves one person going down on a recently deceased corpse, while the second person jumps on its stomach and therefore sprays all the internal stuff into the other person's mouth
Wana go menging tonight? Sure, which gravesite.
To rip off someone or something.
To confuse someone in a situation evolving anything.
Let go menging tonight. Or
Damn you should start menging that dude. Or
I was menging all night in that poker game.