Only someone who was from the US or who had lived there awhile would figure out what you even said.

To clarify why a drawling Yankee is not possible--

Yankees in the US are "northerners" and their regional speech patterns are not "drawling." Only those from Southern US states have a drawl.

I'm about as ignorant when it comes to "Brits"
Can't tell a Scot from a Londoner.

:)