<p>This grandad was busy cooing over his new granddaughter in Ennis, County Clare, when his son decided to play a trick on him.</p><p>Swapping his daughter Robyn with a baby doll, Ethan convinced his father Patrick that he had just thrown his own baby into the air.</p><p>In the video uploaded to Facebook</a> on September 9, Patrick can be heard roaring “Jesus Christ, my neck!” as he watched Ethan drop the doll onto the floor. Credit: Bebhinn Tuohy via Storyful</p><br />
