'Hot-blooded' definitions:

Definition of 'hot-blooded'

(from WordNet)
adjective
Prone to emotion; "hot-blooded Latin-Americans"

Definition of 'Hot-blooded'

From: GCIDE
  • Hot-blooded \Hot"-blood`ed\, a. Having hot blood; excitable; high-spirited; irritable; ardent; passionate. [1913 Webster]