Sentence:  He just longed to get away from here and try his luck somewhere else, but for the sake of his sister he hung on and on till he ran himself into debt over his ears—I can tell you. I, myself, could show a handful of his <WSD>chits</WSD> for meals and drinks in my drawer. 
Meaning of the word marked with <WSD> tags:  A signed voucher or memorandum of a small debt, as for food and drinks at a club.