If a dolphin bumps you he did it on Porpoise.
Our delphinic friends enjoy surfing around us, they are not necessarily tame , but they are curious and interested. There have been attacks on ssurfers and swimmers but there have been definite reasons, calves, or dumb behaviour by the human.
They are smart enough that if you were to be targeted it would be a total attack.
You will if you are lucky, share many moments with dolphins and maybe even whales
I've taken up troll hunting just for fun, instead of a rifle I'll just use a pun! 冲浪爷爷