I say, Professor Wordspool! Tut tut!

You don't think maybe Wordspool invented swearing? Hmm... Take a look at this:

"The point of cloudcraft- when you're quite ready, Master Quint!" said Wordspool, his thin reedy voice piercing the classroom's thick gloom, "Is not what is said but how it is said. A wattle cloud falling at two strides by half sight, obscurity grade low, for instance, must always be stressed by simply raising the middle finger, like so!" And with that, he demonstrated to the (rather shocked) class.