- Heated to the point that it glows with a visible red color.
#: The smith's apprentice was still wary of manipulating the red-hot metal.
#: The bawling boy's butt was spanked red-hot
- Emotionally charged, especially with anger or enthusiasm.
#: He really delivered a red-hot speech today.
- Having a very strong sexual appeal.
#: Did you see that red-hot picture of Liv Tyler in today's paper?
- Very fresh, new, recent and up to date.
#: Tune in at ten to catch this red-hot story!