"Oh, you've got to be kidding me," Sokka muttered, as he grabbed the bag of medicine and tried to club the piranha with it.
"Okay, people, LISTEN UP! Everybody slow way down! There's too much fog, there are too many rocks, and really, this river sucks. Also, it's infested with piranhas, so keep your hands and feet inside the ride at all times. Anyone who uses the phrase 'skeletonize a cow' gets pushed overboard. So! There may or may not be a line of rocks out there in front of us -- it's hard to tell for sure -- so let's all row to the right a little and try to avoid them, m'kay?"