na-adjective, noun or participle which takes 'suru'
obviously known; open secret; totally exposed
Colloquial term meaning that something meant to be hidden is completely obvious or has been fully revealed. Often used when a secret, lie, or hidden intention is blatantly clear to everyone.
あの二人、付き合ってるのモロバレだよね。
It's totally obvious those two are dating, isn't it.
嘘
Even if you lie, it's written all over your face.