1 definition by t and a
someone who talks a big game for the sole pleasure of instigating an argument without rational back-up to his/her point(s).
friend 1: bob told me he would refuse me entry into his house party without a "real" halloween costume.
friend 2: he's such a blowhard.
friend 2: he's such a blowhard.
by t and a October 10, 2006