Wiktionary
peep out
vb. (context intransitive English) to show, to be visible.
Usage examples of "peep out".
Commonly, after seeing the harpooneers furnished with all things they demanded, he would escape from their clutches into his little pantry adjoining, and fearfully peep out at them through the blinds of its door, till all was over.
Also, he did not think that merely keeping Peep out of sight would throw their Maureg watchers off the trail.