Clicking and bottom out noise

Welcome to a fellow Mac user. Not an owner, but I fix stuff. Even bought the T shirt. First rule with clunking noises is start checking the rubber bushings. Start with exhaust, they are the first to fail and the most common. You will have to get underneath to do this. Original shocks? You might need new ones. Jump up and down on the bumper. Good shocks will let the car rise a little past resting height and go back down and stop. I would need to having it in front of me to make a guess on the clicking