A bouncer who cleans up the reputation of a bar which has become infested with gangs and criminals. The character played by Patrick Swayze in the movie Road House is an example of ther term used in this context.
A movie about a man who is so unlucky his bad luck rubs off on other people, with Alec Baldwin as the owner of the casino who uses this bad luck to turn around the luck of people having hot winning streaks.
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