Pleas change the word filter so everyone can individually choose to have certain words filtered. It is so stupid that "****" is filtered, because there are countless four-letter words that would apply in any given situation.
True, the word S U K is only offensive when sexually derogatory in my opinion. Just saying the word to describe the quality of something is every day language for most of us.
Example: I think peach flavoring sukks but to each their own. I would recommend pineapple flavoring if you want it to taste expensive.