liberty sausage UK /ˌlɪb.ə.tiː ˈsɔː.sɪd͡ʒ/US /ˌlɪb.əɹ.ti ˈsɔ.sɪd͡ʒ/ noun1 •(US, historical) A frankfurter.Nearby, a boy in a tweed reefer sold frankfurters (though they couldn’t, of course, be called that any longer). “Liberty sausages!” cried the boy from his cart. — 2007 formsliberty sausages