|Origin:||Perhaps from peek|
to look at something quickly and secretly, especially through a hole or opening [= peek; ↪ peer]
peep into/through/out etc
The door was ajar and Helen peeped in.
Henry peeped through the window into the kitchen.
2 [intransitive always + adverb/preposition]
if something peeps from somewhere, you can just see a small amount of it
peep through/from/out etc
I could see her toes peeping out from under the sheet.
3 [transitive] informal
to look at something because it is interesting or attractive:
On our website you can peep our video interview with R&B's newest supergroup.