Giants owner Steve Tisch confessed his Super Bowl superstition on TMZ Live today ... saying he won't remove 5-week old nail polish from his toes because he's afraid it could sink his team.
Tisch says 5 weeks ago his young daughters painted his toenails red and blue ... and his team hasn't lost a game since -- so now he's afraid to remove the polish.
Tisch adds ... he's barely washed his feet since his girls shellacked him -- and he has no plans to clean up ... at least until after Sunday.
This little piggy went to the Super Bowl ...
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