1) when the wife of a major celebrity finds out about his sexual escapades and grabs the perfect object (usually directly related to his cause of celebrity) to beat the crap out of his vehicle and reputation (deservedly)
2) named for the nordic beauty of the same name
3) cause for a husband and father to think twice before doing something stupid
4) see "fatal attraction effect" prior to 11/26/2009
"honey, call 911.... i think the neighbor is experiencing the
Nordegren Effect in his front yard!".