If you have seen someone else eating onions in your dream: You should not hesitate to help people in need, do not act reactive towards people around you. To see that someone else eats onions in your dream indicates that you will overcome problems and lead a good life, success will be permanent, you will be able to control your anger and you will be known with good works. Asking someone else to eat onions in your dream is interpreted as getting hurt because of a news you will give.