Sentence:  ["]Why, you ought to have been ready half an hour ago!" she said, pushing him into his room fondly. "You're a lackadaisical <WSD>lallygag</WSD>, that's what you are! Do you realize how much you've got to do to-day, Mr. Bonistelle?" 
Meaning of the word marked with <WSD> tags:  A layabout, one who lallygags.