This list was a little harder to come up with, which comforts me. I often fear becoming too cynical in my old age. It also does not mention the very obvious like war or hatred.
rage caused by political opinions
advice I didn't ask for
pathetic, needy female TV characters
landscape trucks blocking traffic
the phrase "you guys"
wearing seat belts
misuse of the word "awesome"
the notion that only some US citizens deserve basic rights