Watch Kendall Jenner make his first "Okurrr!" At the Tonight Show on Kardashians

Kendall Jenner leave the slogans of his family to the pros.

In an exclusive excerpt of the hilarious sit-in of the supermodel The Tonight Show With Jimmy Fallon, Kendall admits that unlike the big sisters Khloe Kardashian, Kim Kardashianand Kourtney Kardashianyou would never catch her "Okurrr!" in public.

In discussing the new link between Kar-Jenner and Millie Bobby Brown, Jimmy Fallon remind the Strange things actress confessing her love for the famous world famous. "I'm obsessed with them," said Millie during an appearance on The Tonight Show. "I follow them on social networks, I think they're really great, they're so entertaining, they have their own language, instead of saying I swear they're like the Bible!" And then they are like Okurrr! It means like Ok. It's like, "Okurrr!"

Kendall tells Jimmy, "I do not really do it, I've never done it like once."

It is at this time that the night host asks the 22-year-old man to give the best of himself, and one can not deny that Kenny is up to the job.

On the topic of Millie, Jenner was super excited to discover that she is a fan because the feeling is very reciprocal.

As she says, "I eat her and I'm obsessed with her." So when she did all that, I thought, "Oh my God! It's too cool because I like it. "We ended up being friendly and she's really nice, I like her so much."

The Tonight Show With Jimmy Fallon aired the week at 11:35 and on NBC.

(E! And NBC are both members of the NBCUniversal family.)