WEST HOLLYWOOD (CBS) — An angry bargoer who faced off with Bristol Palin at Saddle Ranch bar and restaurant last year is now suing the reality TV star for defamation, according to TMZ.

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The encounter between Palin, 20, and 47-year-old Stephen Hanks was caught on tape by HOLLYWOOD.TV and posted on YouTube in September.

The then 20-year-old daughter of former Alaska Gov. Sarah Palin had just fallen from a mechanical bull while filming her new reality show when she was heckled by Hanks.

Hanks, who says he never signed a waiver, is angry that his image is being used in advertisements for the new Lifetime show, “Bristol Palin: Life’s a Tripp”, according to TMZ, which also reports that he’s suing Palin and Lifetime’s parent company, A&E, for unspecified damages.

The following conversation between Palin and Hanks can be viewed in the above video:

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“Did you ride Levi like that? Your mother is a whore! Your mother is a f***ing devil!” he shouts.

Palin approaches the man and asks, “Is it because you’re a homosexual and that’s why you hate her?”

“Pretty much … and why’d you say I’m a homosexual?” he responds.

“Because I can tell you are,” Bristol says.

“You’re f***ing white trash from Wasila!” he screams as she leaves with her production crew. “F*** you, you f***ing b***h!”

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At one point, the man also tells Palin that he doesn’t believe in hell, but that if it exists, he believes her mother will go there.