(verb): Sass Attitude Freak Out. When someone has a sassy moment with a lot of attitude and they freak out on you!
Person 1: "Do you need me to help you with the project?"
Person 2: "NOOO I GOT IT MYSELF!"
Person 1:"Whoaaa...you just SAFOed all over me. I was just asking."
Person 2: "Sorry dude I didn't mean to SAFO on you."