four kangaroos, also known as a pod of kangarai were smoking their didgeridoobie. Phil, the one smoking the didgeridoobie at the time, coughed into the didgeridoobie, leading to Tom's face getting se on fire. In a panic he stuck his face in a bush to put it out and in the process he lit it on fire. Some say that's how the fires in Australia got started.
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.