the act of using your fingers to dig around in someones ass looking for shit, then scooping out the shit and eating it. ass miner. usually inplyimg both parties are gay men.
john inserts his finger into jeff's ass and scoops out some shit, then john eats it. john is an ass miner. jeff is the ass mine.
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.