My bestfriend is angry at me because i was honest with her?

My best friend has a boyfriend okay (ex boyfriend) who is a real jerk. He was over at my house because my brother and him are best mates. My brother left because he got a txt from his girlfriend and he had to walk to her house. My friends boyfriend stayed behind. He was in the kitchen with me while I was doing some school work. We were talking about how immature some people can be and then he made the comment, "you are so mature, any guy would be lucky to be with you" he than put his hand on my leg and kissed me. I pushed him off and went to my room. I did call him a pig. The thing is I called my friend and told her what her boyfriend did and she slammed the phone on me and txt me she never wanted to talk to me again and that I am a horrible friend for messing around with her boyfriend. I did not do anything wrong. Do I try to talk to her now or just let her cool down first? Should I even talk to her since she is being a irrational twit?