kourtney kardashian and blac chyna

During Sunday’s episode of Keeping Up With The Kardashians titled Snow You Didn’t, the 36-year-old beauty made a very big threat to the troubled bad boy of reality TV.

While dining together in Vail, Colorado, the E! star suggested she could change the last name of her three children that she had with Scott (Mason, aged six, Penelope, aged three, and Reign, aged one) from Disick to Kardashian.

She offered this up so that Rob Kardashian and Blac Chyna would not be the only ones with a child that had the last name Kardashian.

During a conversation about the baby news with Kylie Jenner’s ex-boyfriend, Tyga – who also has a baby with Blac Chyna – the rapper told Kourtney that Blac is ‘gonna carry on the legacy, like, if she has a boy.’

Kardashian then admitted, ‘I could change my kids’ last names.’

Scott Disick did not like that.

‘What the f*,’ Scott said to Kourtney. ‘I’m sitting right here you sick f*!’

But despite Kourtney’s admission that she ‘could’ change Mason, Penelope and Reign’s last name from Disick to Kardashian so that Blac ‘couldn’t have the last name first,’ Kourtney then admitted that her suggestion was actually just ‘a joke.’