this is just like the little fishy and the big fishy but worse. this is when you take your hand and make a fin-like-shape with your hand. Then really fast you ram your hand into the persons buttcrack. it should hurt them for a while.
i got a running jump and gave my friend a shark in the ass. hahahha! he waddled for like a week.... owned! >:D
all a shark is, is raw power