唐とう変へん木ぼくとうへんぼくMeanings1nounoaf; blockhead; insensitive personderogatoryDerogatory term for a dull, insensitive, or socially clueless person. Often used in casual, insulting contexts.あいつは本ほん当とうに唐とう変へん木ぼくで、人ひとの気き持もちが全ぜん然ぜんわからない。That guy is a real blockhead; he doesn't understand people's feelings at all.