I'm not sure that's actually P.C.

P. "I don't like when those kids say 'yah'! Make them stop saying 'yah'!"

Me: "'Yah'? They're saying what?"

P. "Yah! I HATE when they say that!"

Me: "Do you mean 'ya'll'? They are saying 'ya'll'?"

P. "Yes!"

Me: "WHO is saying 'ya'll'?"

P. "The tan and brown ones!"