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Lindsay Lohan's father is at it again, telling “The Billy Bush Show” that her relationship with gal pal Samantha Ronson is "toxic."

“Lindsay doesn’t drink or use,” Michael Lohan told Bush on his radio show on Wednesday. “[She] has been responsible with her work, she’s been doing a great job — however drinking and using isn’t the only form of addiction, and the relationship that Lindsay has with Samantha is toxic," he said, calling Ronson a “parasite” who is using Lindsay.

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He also thinks Lohan's relationship with Ronson is not a sexual one, and he doesn't think his daughter is a lesbian.

“Absolutely not,” he said. “She dated guys her whole life, she has a relationship with Sam and it’s a friendship because she’s been hurt by so many guys in the past maybe she kind of walked away and found solace and companionship in a girl.

“I don’t believe it’s anything more than a friendship they have,” he continued, “but that’s between Lindsay and God, and Samantha and God.”

Lohan told "Access Hollywood" on Wednesday that her father Michael was “out of control” for speaking out about her personal life.

“I want him to stop hurting and talking to the media about the people I love,” she said, prompting the response from her dad.

Earlier in the week, Michael said in an interview with E! that Ronson was "using" his daughter. He also claims pictures exist of Samantha slipping drinks to Lindsay under a table.

He also told TV Guide on Thursday that he plans on airing out the truth in a one-hour TV special.

Lindsay told "Access" that she hasn’t spoken to her father for some time — and Michael claims he’s getting much of his information from her mom, Dina Lohan.

On Thursday, the 22-year-old actress lashed out at her father on her MySpace blog, calling him a "public embarrassment" and a "bully" on MySpace and Ronson "a girl that means the world to me."

Click here to read Lohan's blog

In a separate post on MySpace, Ronson said she felt "no need to publicly defend my role in Lindsay's life — I'm just sorry that she likes me more than him."

Click here for Ronson's blog

Michael, a former Wall Street broker, married Lohan's mother in 1985. They settled a long-simmering divorce in August, though they returned to court in New York earlier this year over custody issues. Michael was released from prison in March 2007 after serving nearly two years for attempted assault and driving while intoxicated.

In New York, meanwhile, one of Lindsay Lohan's uncles, Paul Sullivan, was sentenced to one year and one day in prison after fraudulently claiming that his company lost business because of the Sept. 11, 2001, terrorist attacks. Sullivan also was ordered to repay the $646,000 loan that he had defrauded the Small Business administration.

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The Associated Press contributed to this report.