Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
bobby-socker is a noun meaning "an adolescent girl wearing bobby socks (common in the 1940s)". It carries one recorded sense.
an adolescent girl wearing bobby socks (common in the 1940s)
Definitions, synonyms and semantic relations for bobby-socker come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.