Mostly used in the area of Fairfield/Liverpool in Sydney.
This word refers to a person who is fat. Sometimes the person doesn't have to be fat but can say fat things. Can also be called fatty.
fatty: I want some of that donutttttt :D
skinny: ur a creambun brooooooo
skinny: I feel like krispy kremes.. will u drive me up to orange grove t0 get some?
person: whattttttaaaaaa CREAMBUN!