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1.
Having sexual intercourse with and ejaculating into any raw cut of meat (e.g. liver, porterhouse steak, pork roast), and then preparing and serving said meat (colloq. 'marinated') as a meal for one's immediate family or close friends.

(Origin: Portnoy's Complaint, by Philip Roth)
I was horrified when Andrew told me he'd done the Portnoy on the steak tartare I'd just enjoyed so heartily.
by Marcus the Blacksmith August 03, 2007

Words related to The Portnoy

ejaculate fetish liver meat philip portnoy roth semen sex