Brown off is a slang term used to describe feelings of anger or irritation towards another person or situation. However, there are several other synonyms that can be used to convey similar emotions. Belittle, bother, aggravate, infuriate, vex, exasperate, and annoy are all words that can be used interchangeably with brown off. Each word may have slight differences in meaning, but they all convey the overall feeling of frustration and annoyance. It's important to remember that while these words can be useful in expressing our emotions, it's always best to try and communicate calmly and respectfully with others.