The word "hotness" is used to describe something or someone that looks attractive, appealing, or very trendy. It usually refers to physical attractiveness.
The new hotness of soft structured carriers is admired for its adjustability and flexibility for babies of all ages and sizes. (organicbabyatlanta.com)
Hook up with hunky guys, studly man's men, or a wild couple, whenever you want, but never compromise on hotness. (easysex.com)