The area by the penis/vagina where huge amounts of hair grow and evolve while being unshaved. This is usually the result of a dirty, homely being. It would be similar of grabbing and running your hand through a brillo pad or a black mans nappy hair.
Jay: Yo bro you see that disgusting women over there.
Joe: Oh yea dude she def got the mancopian grommet
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.
FRIEND A: "Did you just take a stealthie of me?"
FRIEND B (turning phone around): "no I was just using snapchat's new filter, see?"