For some reason, people have seemingly forgetten how to proceed at a 4 way stop sign.
Or, motorists who need to get over during high traffic and drive on the shoulder to the front of the line then cut off motorists who have been sitting there waiting their turn.
Sagging pants and backwards ballcaps.
Disrespectul youths to people older than them.
People who find out I'm military and then proceed to offer their ideas on how things should be when they have no clue as to what they're talking about.
Misuse of the words: to and too...Their, there, and they're...its, it's, and its'...etc
There are numerous ones, I'll post more as I think of them.