godan verb (-ru), intransitive verb
harmonize; sing in harmony
Colloquial verb used mainly for vocal harmony in music; derived from ハーモニー.
カラオケで友達とハモると気持ちいい。
It feels great to harmonize with friends at karaoke.
godan verb (-ru), intransitive verb
say the same thing at the same time
Used when two or more people accidentally say the same thing in unison, often in a comical or surprising moment.
二人で同時に「えっ」と言ってハモった。
We both said 'What?' at the same time and ended up saying it in unison.