Racism, Sexism, Homophobia all offend me. Heck, I've been known to get rather offended when someone appears to be bullying their friends who are also my own friends. I just see no excuse for that. No excuse whatsoever. I am not a pleasant person when offended.
Instances where I'm not exactly offended do deeply upset me even. I don't like myself, or anyone I care about, feeling like they're under attack or being bullied.
I can't say as I get offended all that much, but then again, I've always felt that I have pretty thick skin. I probably get second-hand offended at what people say more than anything, especially behind someone else's back. I'm not the kind that likes to get into confrontations, but if you're going to say something about someone that you wouldn't say to their face, then don't say it at all.
As for anything racist, I always just shake my head when someone makes a remark. Nothing makes you better than someone else because of your race/ethnicity, but I'm not going to get in a war of words with someone if their opinion's already ingrained into them (it always seems to come from older folks in their 50s+).
No, I am not offended easily. You can call me anything you want, but it wouldn't have any effect on me since I'm already used to everyone hating me. But at times I'm really sensitive, especially if the offender is someone I love, like my sister or my best friend.
I don't really get offended by anything. Certain things may hurt my feelings, but that's an entirely different situation than offence, which I find to be such a nebulous concept anyway. That being said, I'm aware that other people aren't as thick-skinned as me so I make an utmost effort not to say things that may offend other people. As well as this, I get very uncomfortable when people use racist/sexist/homophobic/other stuff in a joking manner; I'm not offended by them, but I just wish people wouldn't say them, even if it's meant in a joking manner.
I love racist jokes but I hate racist remarks. I think it's all about context. With a good joke you can point out the intriguing differences between two cultures. Racist remarks, as I've heard them, are down-right bloody venomous. Especially when they're directed at you or to someone you love, it makes you want to punch out a couple of teeth and slash their tires.