Act of Oral sex when the woman attracts all your cheese smegma on her lips and you both make out with her and 2 other people right after while maintaining the cheese on your lips passing it down
Also known as down under cheese. When a person goes a long time without showering, they get Australian cheese on their genitals.
Due to scrolling reddit and gaming all day, Joe forgot to shower and started to get Australian cheese on his dih that smelled like a burger king dumpster during a California summer.