‘What’s Up Doc?’ by Bugs Bunny was the phrase that popularized the use of What's Up back in the 1940s, though some writers used it way back in 1800s too!
Jai: I would like to know first how Lord Krishna and Arjuna happened to talk on the battlefield, Grandma.
Grandma: It came about in this way, Jai. The war of Mahabharata was about to begin after peace talks by Lord Krishna and others failed to avoid the war. When the soldiers were gathered on the battlefield, Arjuna asked Lord Krishna to drive his chariot between the two armies so that he could see those who were ready to fight. Seeing all his relatives, friends, and soldiers on the battlefield and fearing their destruction, he became compassionate.
Jai: What does compassionate mean, Grandma?
Grandma: Compassion does not mean pity, Jai. That would be looking down on others as poor, pitiful creatures. Arjuna was feeling their pain and their unlucky situation as his own. Arjuna was a great warrior, who had fought many wars and was well prepared for the war, but suddenly his compassion made him not want to fight. He spoke of the evils of war and sat down on the seat of his chariot, his mind full of sorrow. He saw no use in fighting. He did not know what to do. - THE BHAGAVAD-GITA, By. Dr. Ramananda Prasad, Ph.D., INTERNATIONAL GITA SOCIETY