To dream of farting suggests that you are being passive-aggressive. You need to express your feelings in a more direct way, instead of hinting around or playing mind games....
To dream of something smelly (an unpleasant odor) predicts anxieties which could be major or minor, depending on how bad the dream smell is. Also, to smell something in your dream ...
To dream that you accidentally fart or burp in public, suggests that you are being passive-aggressive. You need to express your feelings in a more direct manner....