meganese
Dialect of English originating in Michigan, often heard in Wisconsin now. Defined by crazy hand signal dancing, lackadaisical vocabulary, mumbling, and improper pronoun usage. Written version is way harder to understand than spoken version.
She's speaking Meganese again, Tim's going to need a translator he's got no hope.
Meganese
A language used specifically for one person where they can understand the jabber spoken by an individual. Those who understand typically have an innate connection with those who speak Meganese, because they can present ideas and translations to the world.
Megan was speaking meganese at dinner; discussing her day. Jack translated whilst she spoke fast and nobody else around could follow.