Dreaming of physically fighting with someone is a bad omen as per dream meaning and interpretation. The dream means your anger and impatience might cause problems. It also means you will be easily enticed by your enemies or strangers. It also means that soon you will show courage to fight back and do what is right. The dream is also asking you to not to get mowed down by others.
Dream of physically fighting with someone and you wake up resilient or happy or with a positive outlook means it is time to go and get what you rightly deserve. It also means you need to stop being scared about people and things.
But if you are scared or crying after seeing the dream it means that you will be physically challenged and you will have to face it alone. You should always be ready for a fight in near future. You should also avoid strange and lonely places.