Sentence:  ... he was never known to give away a shilling or to do a good action, but was of a pleasant, sly, laughing mood, and would cut his joke and drink his glass with a tenant and <WSD>sell</WSD> him <WSD>up</WSD> the next day ... 
Meaning of the word marked with <WSD> tags:  To sell all (of the assets of a company or person), in order to reduce its debts or gain liquid money.