Peek through - Idioms by The Free Dictionary
peek through (something)
1. to peer or glimpse through something. I'll just peek through your picture album. I'll study it more carefully later. I only have time to peek through. I would like to spend more time with it later.
2. [for something] to become slightly visible through something. Mary, the lace of your slip is peeking throughyour blouse! Some lace is peeking through.
References in periodicals archive
Revealing itself to retailers in Booth 6361, Peek-A-Boo Bags are soft and colorful fabric squares that babies and toddlers love to shake, squish and peek through
a see-through vinyl window to find fun treasures hiding among the white beads floating inside.
Since I could not go, I did the next best thing, and like a voyeur, I would cup my hands around my eyes and peek through
the windows of playmates that had been called away.