DICTIONARY
Young - To see young people in your dream indicates a fresh outlook on your life. It may also represent a more youthful aspect of yourself. Perhaps you need to be more playful and carefree. To dream that you are young again indicates that you are behaving childish or immaturely. Alternatively, it represents your failed attempts to rectify past mistakes. You are dwelling too much on past regrets and lost opportunities. It is time to move on toward the future.
Yourself - To see yourself in your dream is a reflection of how you act and behave in your waking life. Consider what you are doing and how you are feeling in the dream for additional significance.
YouTube - To dream that you are watching YouTube signifies subconscious thoughts and ideas that are flowing in your mind. Consider the content of the video that you are watching. If you are watching a "how to" video, then it means that you want to expand your own knowledge. You are open to new experiences. If you are watching a music video, then the song or video may parallel what is going on in your waking life. Alternatively, watching YouTube means that you have control over your own thoughts.
Yoyo - To see or play with a yoyo in you dream signifies the ups and downs of your life. Alternatively, the dream indicates that you are not taking life's issues and problems seriously enough. You see things too trivially.
Yucca - To see a yucca plant in your dream indicates that you need to think outside the box or outside of convention. Alternately, the dream suggests that you need to be more flexible and yielding in your thinking in order to move further toward your goals.
Yule Log - To see a Yule log in your dream signifies a positive turn of events in the coming year. To dream of burning a Yule log warns that you should not set your sights too high. You need to be more realistic.