When someone is messing around something they shouldn’t be involved in and they’ll end up hurt in the end. Does not have to be death but can be physical pain, mental pain, or emotional pain.
Those guys over there are messing around in our hood? They better watch themselves before they get themselves euthanized
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.