What are panic attacks like? A person who had one from one of his first times smoking described it to me, he was thinking about his heart beating and for some reason he thought he was going to die and just kept thinking he was going to die. Another one I read about online was about some dude ripping a gravity bong, and he felt like he was going up at a billion miles an hour, then down at a billion miles an hour, sort of like an epic stoned roller coaster.