When Ronda Rousey is in the news, it's guaranteed to be a great Friday. 

The UFC champ and 2015 SI Swimsuit model visited Jimmy Fallon on The Tonight Show in what would become unforgettable fashion. Dazzling in a gorgeous gold dress, Ronda, the "arm collector," showed the perfect amount of sass as she taught the late-night host both the correct terms and technique for her infamous armbar move. 

The Tonight Show/NBC

It would seems a whopping seven seconds is all our girl needs to get Jimmy to say the "safe word." That's what we like to call strong AND sexy...our favorite combination!

Watch the full clip below, and be sure to check out our SI NOW video of Ronda interviewing WWE superstar Roman Reigns about his mindset heading into Wrestlemanie 31

BONUS: See some of Ronda's best moments from SI Swimsuit 2015!