noun, noun or participle which takes 'suru'
crying for real; genuinely crying
Colloquial slang emphasizing that the crying is genuine, not fake or exaggerated. Often used in contrast to マジ泣き, which can imply more intense or serious crying.
See also: マジ泣き
感動してガチ泣きした。
I was moved and cried for real.
あの映画はガチ泣きするほど泣ける。
That movie is so moving it makes you genuinely cry.