People who wear those cell phone ear piece things.. especially those who wear it nonstop (like when you are eating at a restaurant). You look crazy.
People who spend so much money on clothes, designer bags, etc. and a nice car and then live in a dump.
(YT/forum-related)
Any font other than black, particular neons and especially pink.
I've said this before, but... people who say ladies, girls, etc., for example "Ladies, I need help." Even I can offer help/assistance to those threads, I refuse to respond.