Lolis are fine, as long as they aren't sexualized.
One sided incest is fine, but fulfilled one is... weird.
Fanservice - depends on how absurd it is, and its focus - like Ryll said there is very thin line between shit and "so bad that is good".
When it comes to fetishes - if it is all in moderation ,or there is focus on one or two its fine... but not when they are added just to get more ppl to buy their stuff.
i also HATE censoring that is just there so ppl will buy blurays - it is fine if you are watching BD and are few seasons behind but it is still annoying.
now i'm also repulsed by classic Rie Style tsundere. There were too many of them, now if i hear voice remotely similar in tone i cringe irl.
I don't get why people dislike the noblewoman's laugh - it can be overused.. but when its in 'moderation' (Naga @ Slayers) it is great. Heck - it can be even used as weapon.
I also slowly get put off by retarded misunderstandings - but it is because it was, and still is, overused trope. Some series (Nisekoi manga for example) break this trope sometimes and it is... refreshing.