An Arabic phrase meaning "my dear god." It is perhaps most commonly used by Muslim men as a warning of his presence when entering a room where there may be (non-related) Muslim women that are not properly covered in hijab. When in a Muslim household, it is customary to use this phrase. This practice is primarily common in Iran.
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.