The only things that are really taboo for me are when a word is used that is derogatory to a group. Examples being retard, gay (meaning stupid), etc. Swear words I don't have an issue with and I have been known to use the c word. I don't see why that one particular piece of our anatomy is so much more off limits than any other, and I choose to take the power back from the word by using it iyswim. That being said I use it infrequently and only in certain company.

I also dislike jokes that poke fun at peoples misfortunes. So pretty much everything from Holocaust jokes to "Australia's funniest home videos" when we are meant to find kids getting hurt and people falling on their wedding cakes funny. Not what I consider humorous.