Qué es peep? Qué es peep? To utter short, soft, high-pitched sounds, like those of a baby bird; cheep.To speak in a hesitant, thin, high-pitched voice.A short, soft, high-pitched sound or utterance, like that of a baby bird. A slight sound or utterance: I don't want to hear a peep out of you.Any of various small North American sandpipers.To peek furtively; steal a quick glance.To peer through a small aperture or from behind something.To appear as though emerging from a hiding place: the moon peeping through the clouds.A quick or furtive look or glance.A first glimpse or appearance: the peep of dawn.