I don't get annoyed by very much. In fact, I'm the calmest person I know. I am kind to everyone, understanding and respectful and fair, that is the kind of person I make my best effort to be at every moment of every day. So I must admit there are times when I see others not being kind or fair and I fail to be understanding. Instead, I get angry that people are needlessly polluting the air with negativity, and I let it ruin my day. That's my own fault. I'm working on that.
Also have to admit that I get frustrated at people driving slow in the rain. I'm not talking about a storm, here. It's just some damn light rain, we're not driving around the edge of an icy cliff. Go the speed limit.