What He Said' is a phrase used to acknowledge or repeat what someone else has just said. DITTO, AMEN, and YEAH are all words used to express agreement with what someone else has said. DITTO is a five-letter word meaning 'the same as before' or 'me too'. AMEN is a four-letter word meaning 'so be it' or 'TRULY'. Finally, YEAH is a four-letter word meaning 'YES'. Together, these three words can be used to express agreement with the phrase 'What He Said'.