1. a type of greasy yellow pasta made with special cream sauce. Can often be filled with chicken or small shrimp or served with out meat or substance what so ever. Once you've had even a small taste, you've had enough.
Let's go out for hamburgers as this porchetti tastes like dead shrimp with lard sauce
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?"