person 1: i'm bored person 2: wana have anus sex tonight mate ? person 3: yeh ok, sound like fun
the process of the [penis] using the other persons [anus] for [sensation] between to people (non-viginal sex)
"person 1: i'm bored person 2: wana have anus sex tonight mate ? person 3: yeh ok, sound like fun" What is the definition of "anus sex"?