big-headed (adjective) boastful: bragging
Sinonime: adage,
aphorism, apophthegm,
axiom, catchphrase, catchword,
dictum,
epithet, gnome, gnomic saying,
handle,
maxim,
motto,
nickname,
precept,
proverb,
saw, shibboleth, slogan, standing joke
Antonime: deprecating,
modest