"at" at end of sentence

[Mark A Mandel]

On Fri, 22 Mar 2002, Benjamin Fortson wrote:

#THe use of "at" at the end of a sentence is responsible for the name of a
#whole group of inhabitants of New Orleans, the Yats, from the greeting
#"Where y'at?" = "How are you"? These are the folks whose speech has often
#been compared with Brooklynese.

But that's a different usage from the locative sense that was asked
about, though maybe related.

-- Mark A. Mandel