Depending on your tone of voice, you were in the wrong.How can you laugh when your parent asks you a question? Dumb question or not just answer it.It's obvious to you and most other people, but you should be old enough to know Nigerian parents are not always the most logical people.It's not about hitting your parents. You have no respect for him? Just push him off or something.If you want to win with Nigerian parents, remain calm, maintain your composure and argue with reason and logic.They might claim a victory to save face, but they will know for next time and won't want to appear foolish.