what is the meaning of "" what is up""

what is the meaning of "" what is up"" What is the meaning of what is the meaning of the love? what is the meaning? What is the real meaning of life? what is the meaning of life? what is the meaning of your life What is the ture meaning of life? what is the meaning of life What is the meaning of "love"? What is the real meaning of "love"! What is the meaning of human existence?