Hot fudge sundae

Also found in: Thesaurus, Medical, Financial, Acronyms, Idioms, Encyclopedia, Wikipedia. Being at or exhibiting a temperature that is higher than normal or desirable: a hot forehead. Hot fudge sundae or energized with electricity: a hot wire.

Radioactive or designed to use radioactive materials. Informal Marked by excited activity or energy: a hot week on the stock market. In this week’s show, the surgeon is really hot for the new intern. Wanted by the police: a hot suspect.