Why this word is great
CARDSHARP — [Noun] A professional cheater at card games. From card + sharp ("cheater, dishonest person"). Unlike "card shark" (which can suggest legitimate mastery) or "gambler" (a neutral term for one who wagers), "cardsharp" is a blade hidden in the deck. It is the flick of a sleeve concealing an ace, the too-perfect shuffle of a stacked deck, the practiced laugh masking a calculated fleecing—the cold arithmetic of trust, turned against itself. The world is full of games, but only some of them are fair.