People who add extra syllables

I had a college professor who did this and it drove me crazy but I hadn't seen anyone else doing it until the past decade or so.

Look, folks, odds are that you are neither Mario nor Luigi; you do not have to add an "-a" to the end of every sentence and/or exclamation. It doesn't add emphasis; it just makes you sound like a hyper dramatic middle-schooler. Knock it off.