Kim & Kourtney Respond To Tristan Thompson's Cheating Scandal

Kourtney and Kim Kardashian are not staying silent about Tristan Thompson's cheating scandal! Just hours after the sleazy NBA star was caught cheating on pregnant girlfriend Khloe Kardashian, her loyal sister took to social media to respond to the drama.

"Okkkkkkuuuuuurrr," Kim, 37, wrote on twitter this Wednesday. As Keeping Up With The Kardashians fans know, the cheeky saying is, after all, Khloe's go-to catch phrase.

As RadarOnline.com readers know, Kim and Kourtney took a luxurious vacation to Turks and Caicos with Younes Bendjima. Meanwhile, Khloe, 33, has been nesting at home in Cleveland, where she lives with her alleged cheating boyfriend Tristan Thompson, 27.

While Tristan and Khloe have yet to respond to the infidelity rumors, RadarOnline.com exclusively reported the Revenge Body star is "devastated" and planning on dumping him for good!

"The family is livid and Tristan is not the person they thought he was, according to the insider. "The family said that their main concern is Khloe and the baby now and they will deal with Tristan next. He will be very sorry that he did this to Khloe and will pay dearly for his sins."

Love Wins! 20 Celeb Couples Who Survived Sex & Cheating Scandals!

Khloe is now planning on moving in with momager Kris Jenner following her daughter's birth.

"Kris is plotting revenge, and it is not going to be pretty. She said Tristan has been immediately fired from appearing on the show, and she is blacklisting him from all future family endeavors," a source close to Kris, 62, told RadarOnline.com.

Readers know Tristan was caught cheating on Khloe with his alleged mistress in an NYC nightclub. He was later seen entering a hotel room with her and canoodling with other girls in the strip club where she worked.