A person who is unable to read or write. Basically, an unintelligent person who has the approximate education of a second grade English student, if not worse.
This is how a LITERATE person would write what you just TRIED to write.
in a bad situation
You either pass this this course or you'll be swimming up the creek.
Something said when something good is destroyed.
That cocksucker totally made the planes hit thhe towers when he killed my science project.