Source : WordNet®

hotheaded
     adj 1: quickly aroused to anger; "a hotheaded commander" [syn: {choleric},
             {irascible}, {hot-tempered}, {quick-tempered}, {short},
             {short-tempered}]
     2: 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) [syn: {impulsive}, {impetuous}, {madcap},
         {tearaway(a)}, {brainish}]