hot-blooded

adjective4

1. •
   Easily angered or excited.
2. •
   Having strong sexual urges; easily aroused.
3. •
   Synonym of warm-blooded.

   • Most hot-blooded animals cannot sweat as we do to get rid of excess body heat, so big “radiator” ears are a common desert adaptation. — 1992
4. •
   Light-bodied and lively in temperament, with high speed and endurance.