When one inhales the ganja smoke into their anus and flatuates it Into another persons mouth
Person 1:"Aye man tryna match and Australian Inhale?"
Person2: "Nah man that's gay and I ain't gay"
When one freaky ass weed smoker lets the smoke coming from their mouth get inhaled by one's anus
Man: I tried to Australian Inhale last night but I ended up breaking a rib.