What is a mush in gambling?

What is a mush in gambling? He bet the fucking horse. He bet Kryptonite. Give me the tickets. But Sonny, we're winning. You can't win. Mush bet Kryptonite. Tear them up — it's over. We've been mushed. That was A Bronx Tale — Eddie Mush, the man whose bets were so cursed they sent him to the window with everyone else's tickets just to jinx the other side. That's a mush. A person who brings bad luck. Nobody wants to bet with a mush. In plain terms: a mush is walking bad luck. Tell him your pick and the pick dies; bring him to the window and the window goes cold. First cousin of the cooler. “Don't tell him the pick — he's a mush.” Let's use this example. The name comes straight out of A Bronx Tale: Eddie Mush was the neighborhood gambler who lost every bet he ever touched — so when he touched yours, it was done. The crew wouldn't even let him watch the dice. That's a mush. Lines and prices can differ by sportsbook. Nothing here guarantees a result or tells you to bet. Lines move and books differ. Nothing here is a guarantee or a command to bet — it's how the number works.