When you, or somebody else, thinks of something really bad happening to you, and no matter how hard you try, you can't get it out of your head; you think of a totally bogus 100% impossible situation to counteract, or hex it.
1. Johnny was stepping into the shower, then thought of slipping and breaking his neck, quickly, he pictured a clown wearing a speedo kicking him in the face, while he was doing a barrel roll glued to the ceiling; somehow. He then realized "hex the jinx" saved his life.

2. When your hung-over friend crosses the street, you picture an 18-wheeler running him down, so you picture Bob Marley coming out of the sky and picking your friend up and hurling him 50 miles into the air, as you shoot yourself in the head with a desert eagle that shoots baked beans shaped like buggs bunny. And your friend safely crosses the street once you come back to reality.
by JanitorWithAnAxe November 27, 2010
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