noun, noun or participle which takes 'suru', intransitive verb
bawling one's eyes out; crying loudly
Emphatic expression for crying very hard, often with loud sobbing. Stronger than 号泣 alone.
感動して大号泣した。
I was so moved that I bawled my eyes out.
彼女は別れ話で大号泣して
She was crying her eyes out over the breakup.