Origins
From Grendel, the monster of the Old English Beowulf who terrorized from the dark of the mere until he was finally faced in the light of the mead-hall, and the diminutive suffix -ling. The shrinking of the monster once it is brought into the hall.
Meaning
We have carried a memory like a creature kept in the dark. For years we returned to it only in private, and only with shame.
Then we say it aloud to someone, plainly, the whole of it. And in the telling, something quietly deflates. The memory is still ours. The harm was real. But it is smaller than the silence had made it.
Grendling is the moment the demon turns out to be a creature, not a god. We feel the weight lift, and underneath the relief, a small grief. We carried this much, for this long, alone.
Usage
I had a Grendling moment finally telling that story out loud, and realizing it was smaller than I’d made it in my head.