noun, noun or participle which takes 'suru', intransitive verb
tears of joy; crying from happiness
Describes the act of crying because one is so happy. Often used as a noun or with する to mean 'to cry tears of joy'.
感動のあまり嬉し泣きしてしまった。
I was so moved that I cried tears of joy.
彼女の嬉し泣きを見て、私ももらい
Seeing her tears of joy, I also started crying.