1. Something that is selling very well. That toy has been a hot item in my store for months—I can barely keep it in stock!
2. A particularly passionate romantic couple. A: "Mike and Sue sure seem like a hot item these days." B: "I know, they can hardly keep their hands off each other!"
hot item
1. n. an item that sells well. This little thing is a hot item this season.
2. n. a romantically serious couple. Sam and Mary are quite a hot item lately.