red-hot

Short definition from Wiktionary

Adjective

1. 1
   Heated to the point that it glows with a visible red color.
2. 2
   Very hot.
3. 3
   Emotionally charged, especially with anger or enthusiasm.
4. 4
   Having very strong sex appeal.
5. 5
   Very fresh, exciting, and up-to-date.
6. 6
   Alternative form of red-hot.

Noun

1. 1
   Alternative spelling of red hot.
2. 2
   A frankfurter, a hot dog.