hotter than a pistol—(coll.) said of a person or thing that is very popular:
- Radios were hotter than a pistol. Shimek’s still sells radios as well as televisions and sound equipment.
hotter than blazes —(coll.) is used to hyperbolically designate smth. very hot:
- Now Djibouti is hotter than you can imagine. Humid, hot, hot as blazes, hotter than blazes.