definition of
hotheaded

[1] #1 hotheaded s. [choleric, irascible, hot-tempered, quick-tempered, short-tempered] quickly aroused to anger; "a hotheaded commander". wn

[2] #2 hotheaded s. [impulsive, impetuous, madcap, tearaway, brainish] characterized by undue haste and lack of thought or deliberation; "a hotheaded decision"; "liable to such impulsive acts as hugging strangers"; "an impetuous display of spending and gambling"; "madcap escapades"; ('brainish' is archaic). wn