Similar to burglarized, it derives its root from the insensible murder of a renowned and beloved (based on his histrionics of dressing in yellow attire, courtesy of the colors of his political party) Ugandan MP, Ibrahim Abiriga. To be abirigarized refers to being murdered in cold blood.
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.