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2.
Has something to do with murder, possibly patricide/matricide. The phrase has been used in tv shows like Gilmore Girls and Law & Order: Criminal Intent.
The murder suspect confessed that he'd told the victim's daughter he'd pull a Menendez for her.
by Alisha272 March 03, 2008
 
1.
Killing parents, matricide or patricide.

Based on the Menendez brothers, Lyle and Erik, who killed their parents in 1989 with shotguns. They were not originally suspects until their lack of grief and spending almost $1 million in the first six months after their parents death became suspicious.
"My mother said she will ground me if I don't clean my room tonight. I swear to God I am about to pull a Menendez."
by puzzleattack October 19, 2008