As a continuation of mm3's thread; Here's the complete opposite.
Naturally, I'll start!
Smokers (because they make me fell twice as good for trying to quit)
Week old potato chips (I like it when there's some resistance when I chew)
Emo/Screamo music (because everybody has a whiny 14-years-old somewhere inside them)
Movies that are trying to be arty and hard to understand just for the sake of being that way.