Sentence:  Suddenly a treble auto horn tootley-toot-tootled , and , thumbing hopefully , I saw emergent in windshield flash : red <WSD>lips</WSD> , streaming silk of blonde hair and - ah , trembling confusion of hope , apprehension , despair - the leering face of old Herry . 
Meaning of the word marked with <WSD> tags:  either of two fleshy folds of tissue that surround the mouth and play a role in speaking