Being sexually attracted to an automobile/vehicle. Some may mistake this for loving themselves, but they're all wrong. That is called "Love Yourself" go check out BTS album xoxo
Boy 1:"Hey do you see that Australian girl over there?"
Boy 2: "I heard she's Autosexual...look out.. or your Lamborghini is going to get snatched."
Boy 1: "Oh shit ok. Thanks for the heads up."