tearaway
adj 1: 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: {hotheaded}, {impulsive},
{impetuous}, {madcap}, {tearaway(a)}, {brainish}]
n 1: a reckless and impetuous person