Robert F. Kennedy Jr. wrote disgraced political reporter Olivia Nuzzi an outrageously raunchy “poem,” which was dramatically revealed by her ex-fiancé and reporter Ryan Lizza in the second part of his series exposing the secrets of his ethics-challenged ex.

“Yr open mouth awaiting my harvest,” Kennedy Jr., the current Secretary of Health and Human Services, wrote to Nuzzi in undated texts recounted by Lizza in a piece published on his Substack early Saturday.

“I mean to squeeze your cheeks to force open your mouth. I’ll hold your nose as you look up at me to encourage you to swallow. ‘Don’t spill a drop.’ I am a river You are my canyon. I mean to flow through you. I mean to subdue and tame you. My Love,” Kennedy allegedly penned to Nuzzi.

Ryan Lizza has published salacious texts Robert F. Kennedy Jr allegedly sent his then-fiancée Olivia Nuzzi. Getty Images for Nuclear Now

The tawdry texts were nicknamed “American Canyon” by Lizza. Getty Images

Lizza coined the poem “American Canyon” and suggested there were “many others, too explicit to print.”

(“Thanks to Bobby, I am now aware of something called felching.),” Lizza added.

Lizza began telling his side of the story after Nuzzi revealed she would be publishing a tell-all about the sordid affair with the once-presidential candidate, titled “American Canto.”

He wrote that floozy Nuzzi “loved crazy people” — which should have been a “red flag” for him after she divulged that RFK was nuts — and that she developed a “near-total obsession” with the then-presidential candidate which “seeped into every corner of her life.”

That prefixation manifested in Nuzzi reading two books simultaneously that Lizza admits should have also sounded alarms — “The Art of Seduction” by Robert Greene and “Ask Not: The Kennedys and the Women They Destroyed.”

The emotional paramours’ “seed had been planted” after they first met in 2023 when Nuzzi interviewed the Camelot scion for a never-published piece on then-SAG-AFTRA chief Fran Drescher.

A short time later she met up with RFK Jr. for a previously-reported hike in Los Angeles, during which he allegedly forcibly held her hand.

Lizza began telling his side of the story after Nuzzi revealed she would be publishing a tell-all about the affair with Kennedy Jr. titled “American Canto.” Olivia Nuzzi / Facebook

Nuzzi would then unethically aid Kennedy Jr., executing “catch-and-kill operations on his behalf,” writing campaign strategy memos, and committing “other journalistic transgressions that have still not been disclosed,” Lizza wrote.

When the former CNN reporter learned of the (at minimum) emotional affair, he wrote, “it was like waking up and learning [Nuzzi] was a heroin addict or joined a cult.”

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The cuckold journo recounted the dramatic moments in which he finally told his fiance they were through — with Nuzzi allegedly unwilling to give back her engagement ring.

As the pair were breaking up, Lizza relayed that he said “People are going to ask me what happened … and I’m going to tell the truth.”

Nuzzi allegedly melted down then and later explained that she feared that “If anyone ever finds out … I’m afraid Bobby will kill me.”

In the first installment detailing his dramatic and public breakup, Lizza revealed that Nuzzi had an affair with former South Carolina Republican Mark Sanford in 2020 while profiling his ill-fated and short-lived primary challenge of President Donald Trump for Vanity Fair.

After learning of that affair, Lizza now admits, “Yes, I know I should have run far away. But COVID lockdowns had just descended on Washington, and she had no place to go.”

Lizza claimed that Nuzzi had an affair with former South Carolina Republican Mark Sanford in 2020. Getty Images for Vox Media

Lizza claimed to have heard a voice memo recorded by the lovers on the night of Feb. 24, 2020, which was the night Sanford and Nuzzi consummated their flirtation.

Nuzzi and Sanford had sexual intercourse on just that one night, she claimed, though Lizza stated her feelings for him fit a pattern of “addictive-attachments” with “older and more powerful” men that would later play out with RFK Jr.

In Saturday’s piece, Lizza revealed that Nuzzi once wrote a mock-tabloid style story detailing her own affair with Mark Sanford that fantasized the tryst being exposed — in which she described herself as a “blonde beauty” who “gained critical acclaim as a skilled profile writer.”

Nuzzi has an apparent history of fame-seeking behavior — with internet sleuths digging up an original song called “Jailbait” from a 2009 MySpace page.

“Bad things happen when you hear my name/ Deny your attraction, but I’ve no shame / Sixteen will get you 20 — I’ve got you locked for life,” singer “Livvy” crooned.

Both Nuzzi and RFK Jr. have maintained that they never had a physical relationship — but Lizza said “that seemed improbable.”

RFK Jr.’s wife Cheryl Hines was irate over Nuzzi’s claim that her hubby fell in love with the much younger “journalist.”

“He would never love THAT woman, let alone have her have his baby,” Hines told The New York TImes last week, in response to a claim by Lizza that RFK told Nuzzi he wanted to impregnate her. 

“What that woman’s claiming is almost laughable if it wasn’t so hurtful.”

Kennedy has publicly denied having a relationship with Nuzzi online or off and has stated that he met her in person only once when she was writing a profile on him for New York Magazine.