bobby socks

or bob·by sox, bob·by·socks, bob·by·sox

[ bob-ee-soks ]
/ ˈbɒb iˌsɒks /

plural noun

socks that reach above the ankle and are sometimes folded down to the ankle.

adjective

indicating or associated with the wearing of bobbysocks; adolescent: strictly a bobbysocks crowd; the bobbysocks generation.
Also bob·sox [bob-soks] /ˈbɒbˌsɒks/.

Origin of bobby socks

1940–45, Americanism; bobby (for bobbed2, altered by association with bobby pin) + socks

British Dictionary definitions for bobby socks

bobby socks

pl n

ankle-length socks worn by teenage girls, esp in the US in the 1940s