ˈblʌn.də(ɹ) ˈblʌn.dɚ ˈbʊz(ə)m bɹɛst ˈdʌm.bɛl ˈdʌmi ɡuːf ˈpɪn.hɛd sɪn

ˈtɪti commit a faux pas or a fault or make a serious mistake I blundered during the job interview either of two soft fleshy milk-secreting glandular organs on the chest of a woman an ignorant or foolish person