Nick Wilde: I um... I may have sold him, a very expensive wool rug. That was made from the fur, of a skunk's... butt.
Judy Hopps: Oh, sweet cheese and crackers.
When you dislike someone so much that anything they do, no matter how minor or inoffensive, annoys you beyond any rational level - exemplified by the sentence "look at that bitch eating crackers like she owns the place".