the.com/peep
A glance so small it pretends it wasn't looking.
means To peer quickly or secretly, or the brief sound, sight, or person being glanced at.
from From Middle English 'pepen,' echoing the thin cheep of a chick — sound and sneaky look hatched from the same nest of furtive smallness.
Easter sugarMarshmallow Peeps debuted in 1953, hand-piped.
Slang shiftYour peeps means your people, not your spies.
Not a peepMeans total silence, the chick refusing to chirp.