Sentence:  And the Camel said ‘Humph!' again; but no sooner had he said it than he saw his back, that he was so proud of, puffing up and puffing up into a great big <WSD>lolloping</WSD> humph. 
Meaning of the word marked with <WSD> tags:  To walk or move with a bouncing or undulating motion and at an unhurried pace.