7 ms·I suspect card shark has bled over from loan shark or some other term like thatby Zigurd 7y agoI suspect card shark has bled over from loan shark or some other term like thatrrauenza 7y agoPool shark perhaps? https://en.m.wikipedia.org/wiki/Pool_shark https://en.m.wikipedia.org/wiki/Pool_sharkhashbazz 7y agoI think that term (shark vs. the original sharp) got popular due to a TV game show by the name "Card Sharks".