From "x" and "o" meaning "hugs and kisses," respectively ... But we're here to help. Here is what "PS" means and how to use it correctly in your messages. "PS" is an abbreviation for "postscript." ...

Head to our Just Curious section to see what else we can answer. This article originally appeared on USA TODAY: What does 'PS' mean? The abbreviation's definition and how to use it.