Definition from Wiktionary, the free dictionary
Alternative forms 
bloodsport (plural bloodsports)
- (literally) Any game that involves the shedding of blood or death, such as hunting, boxing, fishing.
- (figuratively) Any activity that revels in the misfortune of others, or taking advantage of others.
- 2003, by Peter (EDT) Neville-Hadley, J. D. Brown, Josh Chin, Michelle Sans, Sharon Owyang, Beth Reiber, Graeme Smith, Frommer's China - Page 248 - "Shopping here is bloodsport, and you are the game, but the vendors are friendly."