jinxPronunciation: ( jingks), [key]
a person, thing, or influence supposed to bring bad luck.
to bring bad luck to; place a jinx on: The strike has jinxed my plans to go to Milwaukee for the weekend.
to destroy the point of: His sudden laugh jinxed the host's joke.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.