薅羊毛

薅羊毛	hāo yáng máo	to seek out discount vouchers, cashback offers etc and use them in making purchases
薅	hāo	to weed / to grip or clutch
羊	Yáng	surname Yang
羊	yáng	sheep; goat / CL:头,只
羊毛	yáng máo	fleece / wool / woolen
毛	Máo	surname Mao
毛	máo	hair / feather / down / wool / mildew / mold / coarse or semifinished / young / raw / careless / unthinking / nervous / scared / (of currency) to devalue or depreciate / classifier for Chinese fractional monetary unit ( = 角 , = one-tenth of a yuan or 10 fen 分)