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Tiger’s pick-up line a joke

Tiger Woods has used the same off-color joke as a pick-up line for at least a decade.

“What’s this?” he’d ask, rubbing the tips of his shoes together. “A black guy taking off his condom.”

He told the joke in 1997 in front of a GQ reporter, and even though he took flak for it then, he was still using it in 2006 when he hit on exotic dancer Cori Rist, she says in an interview in the new Vanity Fair (inset).

Rist, who became one of Woods’ many mistresses, said he then invited her to come up to the apartment of a “superstar ball player,” where he had a room.

The sex was “passionate — fireworks,” she told the magazine. Afterward, Woods liked to eat Fruit Loops and watch cartoons.

But when they were apart, he would become as possessive as a schoolboy over his first crush, she said.

“He was very jealous, and from the moment I’d wake up, he’d be texting: ‘Who’s with you? Are you alone?’ ” said Rist. “It was almost like high school, when you call someone all the time.”

Despite their intimacy, Woods always insisted that they sleep at opposite ends of the hotel suite.

“We’d watch TV and hang out on his side. But he was really weird about me sleeping in his bed,” she said. “Maybe it was a wife thing. Maybe if she called or if someone came in, they would see us together.”

Woods was so jealous, in fact, that he asked porn star Joslyn James — another mistress — to give up the business, James said.

The golfer became obsessed with all her adult-film scenes and Internet appearances, said James, who claims to have tutored him in “extreme sex.”

Women playing rough is nothing new to Woods, who says he was regularly beaten by his own mother as a child.

Kultida Woods felt Tiger needed to be taught to be ruthless as a competitor.

“Mom beat the hell out of my ass. I’ve still got the handprints,” Woods said in a 2006 interview with the San Diego Union-Tribune.

He said she would tell him, “Go after them, kill them. When you’re finished, it’s sportsmanship. Before that, go for the throat. Don’t let that opponent up.”

jeremy.olshan@nypost.com