Here's How Bad That Fight Between Kendall and Kylie Jenner Really Was - TooFab

The two didn't speak for weeks -- and Kylie "snapped" at anyone who tried to intervene.

Kendall and Kylie Jenner came to a standoff when it came to apologizing for the nasty, physical fight that went down between them on a trip to Palm Springs.

In a sneak peek at Thursday's new episode of "Keeping Up with the Kardashians," Kendall reveals she didn't speak to her sister for "about a month" after the fight during a call with mom Kris Jenner and sisters Kim and Khloe Kardashian.

ICYMI: the two Jenners got into it after a night out in Palm Springs, after Kylie refused to drop Kendall off at her own home in Los Angeles on their drive back. Corey Gamble was riding with them, with Kendall claiming he shouted "F--k you" at her, before she and Kylie got physical. Kendall admitted to hitting her sister in the face, before claiming Kylie "took her heel and put it into my neck."

"Nope. I never heard from her, not even a little bit, which is rare," Kendall tells her family in preview footage. In a confessional, she adds, "It's been a really long time and I haven't heard from her. It's really weird, we've never gone this long without speaking."

The fallout from the fight even extended to her sisters, who felt Kylie's wrath when they tried to intervene.

"I sent her a text and I did say, 'So how long are you not gonna speak to Kendall for?' and she kind of snapped at me,'" revealed Khloe. Echoed Kim, "Me too! I said it on the phone and she just yelled at me."

KUWTK Recap: Explosive Kendall & Kylie Fight -- "You Put Your Heel Into My F--king Neck!"

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When Khloe relayed Kylie said Kendall should be the one to apologize because "you slapped her first," Jenner could only laugh. "Oh my god," said Kendall, "She has some serious issues."

"First of all, I didn't hit her first," she added. "It wouldn't matter because that's not the point."

While mom Kris called the silent treatment "very, very upsetting," Khloe gave her sister some advice for how to proceed.

"You both need to know life is short and that we need to take our ego and pride out if this and just say, 'Kylie I'm sorry for my part in the disagreement,'" said Khloe. "And she should say, 'I'm sorry for my part,' and guess what, we can move on."

We'll see whether moving on is possible when "Keeping Up with the Kardashians" airs Thursdays on E!