If you dream about the kangaroo, then such dream indicates the parental instincts the dreamer is carrying. Perhaps the subconscious mind of yours is externalizing your parental nature. The kangaroo could also indicate anger. If the kangaroo is attacking you, then you should be aware of those you are surrounded by.
Dream dictionary: Kangaroo dream meanings
To dream of seeing a kangaroo means that you are going to look after someone very carefully, or you have a tendency to be very spontaneous person, who jumps from one thing to another, from one person to another. Otherwise, if the kangaroo attacks you and you kill it, you will achieve whatever you wish, but if the kangaroo hurts you, you will suffer.
…To see a kangaroo in your dreams, you will outwit a wily enemy who seeks to place you in an unfavorable position before the public and the person you are striving to win. If a kangaroo attacks you, your reputation will be in jeopardy. If you kill one, you will succeed in spite of enemies and obstacles. To see a kangaroo’s hide, denotes that you are in a fair way to success….
Your projects will be unrequited and engaged.
…One night, as far back as 1894, 1 dreamed I was in a desert in Phantomnia, and that bounding towards me from a distance, came a white kangaroo decorated with large, brown spots that looked as if they had been recently painted, and which imparted to it a wooden appearance. It came right up to me, and eyeing me in the friendliest manner possible, said, “Have you seen my mother?” “No!” I replied, “I have not seen anyone here for the last two years, because it is fully that time since I visited these parts. What is she like?” The kangaroo was greatly perplexed. “Why,” he said, “To tell you the truth I haven’t the slightest idea. I thought, perhaps, you might know; but, of course; since you have been absent for so long, it is very obvious you are the last person I should have asked. Good-bye.” And,…