You could get lucky, like the lady who woke up speaking a strong Jamaican patois. Or, in a chilling worst-case scenario, you might end up like the woman who regained consciousness thinking she was French.
How do I get it?
From the cases we found online, the primary cause seems to be falling off motorbikes. As you'll see throughout this list, if our research is reliable--and we have no reason to suspect that a cursory scan of Wikipedia could be anything else-- then approximately 90 percent of interesting mental disorders happen this way. So, if you're in the mood for a change, and you're the kind of guy who likes fun surprises, just ride your bike into a truck and see what you wake up with.
Is it worth it?
Although some sufferers acquire specific dialects, most just end up with a "general foreign accent," which could make you sound like a brain-damaged Mrs. Doubtfire-type. Not sexy. However, the condition is usually short-lived, so go for it! What have you got to lose?
Ok, don't go for it.