Rob Kardashian and Sister Khloé’s BFF Malika Haqq Reveal Timeline of ‘Very Passionate’ Hookup

Rob Kardashian and his sister Khloé Kardashian's BFF Malika Haqqare reminiscing on their brief hookup .

"It started off as a joke to see if it would ruffle your feathers," Haqq, 41, recalled to Khloé, 40, on the Thursday, February 27, episode of the "Khloé in Wonderland" podcast . "This was once you and Lamar [Odom]were married and Robert was living in your home. I was there every day."

Khloé was married to former NBA star Odom, now 45, from 2009 to 2016. During the early days of their marriage, Rob, now 37, lived in the then-couple's guest bedroom during production on the E! docuseries Khloé and Lamar . At the same time, Rob eventually entered into a casual fling with Haqq.

As soon as Haqq started to take a stroll down memory lane, Khloé immediately dialed her brother to get his take.

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"Not to put you on the spot, but when you and Malika first started f—ing one another, was it considered a joke?" Khloé asked Rob in a phone call. "Like, just to piss me off?"

Rob then confirmed that their relationship, however brief, "definitely wasn't a joke."

"It was all fun and great games," Rob stated. "It was great sex. It was very passionate and very good. Yeah, it was a great, passionate connection."

According to Haaq, her and Rob's intimate compatibility was especially successful because they are "both Pisces" astrological signs.

After Rob hung up the phone, Khloé, Malika and her twin sister, Khadijah Haqq, debated how the Kardashians star would feel if her sibling dated Malika for a second time. (Rob and Malika are currently both single parents .)

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"You would die," Malika quipped. "You died back then and you would die now."

According to Khloé, she only felt betrayed because her BFF and brother "went behind [her] back" and started hooking up.

"It wasn't behind your back. Was I supposed to say, 'Hey, Khloé," just an announcement?" Malika asked. "I told you [afterward]. I admitted to it. … She wasn't around when it happened. [Khloé] was on a road trip with her husband, so it actually happened while they were gone."

While Rob and Malika's fling was short-lived, they remain amicable after ending their fling. She further noted on the "Khloé In Wonderland" podcast about what she's looking for in a future partner .

"I need energy," Malika said. "Like, I actually have to meet someone and [then] I can say if there's a vibe or something I click with, but I could never [go on a dating app]."