Dreams are not meant to be taken literally. This dream expresses your dissatisfaction with some aspect of yourself or with some part of your life. For examply, you may have a deep longing to "kill the habit" of smoking, or to get rid of your quick temper, or to stop giving in to bullies. In the exaggeration of dreaming, the need to get rid of something is expressed as "killing."
I suspect you are under stress and working out a problem in your life.
This dream suggests that you are carrying a burden of guilt. You are blaming yourself but you cannot figure out a way to relieve that guilt without putting yourself in a worse situation.
This dream expresses your dissatisfaction with some aspect of yourself or with some part of your life. For examply, you might want to "kill the habit" of smoking, or eliminate your quick temper, or to stop giving in to temptation. In the exaggeration of dreaming, the need to get rid of something is expressed as "killing." By imagining yourself as a separate being, the dream allows you to separate one part of yourself from the parts of yourself you dislike.
When you dream about yourself flying, it only means that you enjoyed your daytime.
the frog will kill you.
That you need a vacation.
It means that the mud indicates dirty things. You dream yourself with mud. This means that you imagine yourself with dirty things.
It means that you have been the victim of emotional abuse. You need to find a wise (adult) person whom you trust, and tell them about these dreams.
It probably means that you are angry with yourself. The cousins in the dream symbolize the various aspects of yourself, and the many ways that you are too critical of yourself.
Of course, you Can't EVER kill an immortal being. In a dream, you can only End the dream itself. The most easy way to end a dream is to pinch yourself in the dream. Or you can continue the dream.
I assume you mean Suicide, and that's when you kill yourself.
it means to stand up for yourself