Sentence:  “Your uncle is, and always will be, a dull calculator, Nell,” observed the mother, after a long pause in a conversation that had turned on the labours of the day; “a lazy hand at figures and foreknowledge is that said Ishmael Bush! Here he sat <WSD>lolloping</WSD> about the rock from light till noon, doing nothing but scheme—scheme—scheme— ...” 
Meaning of the word marked with <WSD> tags:  To act lazily, loll, lie around.